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712136052 = 22321741101281
BaseRepresentation
bin101010011100100…
…101010101110100
31211122000021000100
4222130211111310
52424301323202
6154355314100
723435025255
oct5234452564
91748007010
10712136052
11335a893a1
1217a5ab930
13b46cb2a4
146a816b2c
15427bd41c
hex2a725574

712136052 has 144 divisors (see below), whose sum is σ = 1978848144. Its totient is φ = 215040000.

The previous prime is 712136041. The next prime is 712136053. The reversal of 712136052 is 250631217.

It is a happy number.

712136052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 43086096 + 669049956 = 6564^2 + 25866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712136053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2534152 + ... + 2534432.

It is an arithmetic number, because the mean of its divisors is an integer number (13742001).

Almost surely, 2712136052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712136052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989424072).

712136052 is an abundant number, since it is smaller than the sum of its proper divisors (1266712092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712136052 is a wasteful number, since it uses less digits than its factorization.

712136052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 712136052 is about 26685.8773886114. The cubic root of 712136052 is about 893.0058916650.

Adding to 712136052 its reverse (250631217), we get a palindrome (962767269).

The spelling of 712136052 in words is "seven hundred twelve million, one hundred thirty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 41 51 68 82 101 102 123 153 164 202 204 246 281 303 306 369 404 492 562 606 612 697 738 843 909 1124 1212 1394 1476 1686 1717 1818 2091 2529 2788 3372 3434 3636 4141 4182 4777 5058 5151 6273 6868 8282 8364 9554 10116 10302 11521 12423 12546 14331 15453 16564 19108 20604 23042 24846 25092 28381 28662 30906 34563 37269 42993 46084 49692 56762 57324 61812 69126 70397 74538 85143 85986 103689 113524 138252 140794 149076 170286 171972 195857 207378 211191 255429 281588 340572 391714 414756 422382 482477 510858 587571 633573 783428 844764 964954 1021716 1163621 1175142 1267146 1447431 1762713 1929908 2327242 2350284 2534292 2894862 3490863 3525426 4342293 4654484 5789724 6981726 7050852 8684586 10472589 13963452 17369172 19781557 20945178 39563114 41890356 59344671 79126228 118689342 178034013 237378684 356068026 712136052