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51100608 = 2631359347
BaseRepresentation
bin1100001011101…
…1101111000000
310120011011212010
43002323233000
5101040204413
65023132520
71160230236
oct302735700
9116134763
1051100608
1126932709
1215144140
13a782360
146b02956
154745dc3
hex30bbbc0

51100608 has 112 divisors (see below), whose sum is σ = 148498560. Its totient is φ = 15412224.

The previous prime is 51100603. The next prime is 51100619. The reversal of 51100608 is 80600115.

51100608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511006082 = 5222544275939328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147091 + ... + 147437.

It is an arithmetic number, because the mean of its divisors is an integer number (1325880).

Almost surely, 251100608 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 51100608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74249280).

51100608 is an abundant number, since it is smaller than the sum of its proper divisors (97397952).

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

51100608 is a wasteful number, since it uses less digits than its factorization.

51100608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 51100608 is about 7148.4689269801. The cubic root of 51100608 is about 371.0866714583.

The spelling of 51100608 in words is "fifty-one million, one hundred thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 59 64 78 96 104 118 156 177 192 208 236 312 347 354 416 472 624 694 708 767 832 944 1041 1248 1388 1416 1534 1888 2082 2301 2496 2776 2832 3068 3776 4164 4511 4602 5552 5664 6136 8328 9022 9204 11104 11328 12272 13533 16656 18044 18408 20473 22208 24544 27066 33312 36088 36816 40946 49088 54132 61419 66624 72176 73632 81892 108264 122838 144352 147264 163784 216528 245676 266149 288704 327568 433056 491352 532298 655136 798447 866112 982704 1064596 1310272 1596894 1965408 2129192 3193788 3930816 4258384 6387576 8516768 12775152 17033536 25550304 51100608