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135712460 = 225132941439
BaseRepresentation
bin10000001011011…
…00111011001100
3100110100220111102
420011230323030
5234220244320
621244442232
73235352102
oct1005547314
9313326442
10135712460
116a673864
1239549378
1322168940
1414049c72
15bdab175
hex816cecc

135712460 has 96 divisors (see below), whose sum is σ = 325987200. Its totient is φ = 47093760.

The previous prime is 135712439. The next prime is 135712517. The reversal of 135712460 is 64217531.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 308921 + ... + 309359.

It is an arithmetic number, because the mean of its divisors is an integer number (3395700).

Almost surely, 2135712460 is an apocalyptic number.

135712460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135712460 is the 9512-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135712460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162993600).

135712460 is an abundant number, since it is smaller than the sum of its proper divisors (190274740).

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

135712460 is a wasteful number, since it uses less digits than its factorization.

135712460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 135712460 is about 11649.5690907432. The cubic root of 135712460 is about 513.8936377496.

Adding to 135712460 its reverse (64217531), we get a palindrome (199929991).

The spelling of 135712460 in words is "one hundred thirty-five million, seven hundred twelve thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 29 41 52 58 65 82 116 130 145 164 205 260 290 377 410 439 533 580 754 820 878 1066 1189 1508 1756 1885 2132 2195 2378 2665 3770 4390 4756 5330 5707 5945 7540 8780 10660 11414 11890 12731 15457 17999 22828 23780 25462 28535 30914 35998 50924 57070 61828 63655 71996 77285 89995 114140 127310 154570 165503 179990 233987 254620 309140 331006 359980 467974 521971 662012 827515 935948 1043942 1169935 1655030 2087884 2339870 2609855 3310060 4679740 5219710 6785623 10439420 13571246 27142492 33928115 67856230 135712460