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85271136 = 25329109281
BaseRepresentation
bin1010001010100…
…10001001100000
312221110020000020
411011102021200
5133312134021
612243353440
72053535616
oct505221140
9187406006
1085271136
1144151515
1224682880
13148876c2
14b4796b6
1577457c6
hex5152260

85271136 has 96 divisors (see below), whose sum is σ = 234511200. Its totient is φ = 27095040.

The previous prime is 85271089. The next prime is 85271141. The reversal of 85271136 is 63117258.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 85271097 and 85271106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303316 + ... + 303596.

It is an arithmetic number, because the mean of its divisors is an integer number (2442825).

Almost surely, 285271136 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 85271136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117255600).

85271136 is an abundant number, since it is smaller than the sum of its proper divisors (149240064).

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

85271136 is a wasteful number, since it uses less digits than its factorization.

85271136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 85271136 is about 9234.2371639459. The cubic root of 85271136 is about 440.1499764221.

The spelling of 85271136 in words is "eighty-five million, two hundred seventy-one thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 109 116 174 218 232 281 327 348 436 464 562 654 696 843 872 928 1124 1308 1392 1686 1744 2248 2616 2784 3161 3372 3488 4496 5232 6322 6744 8149 8992 9483 10464 12644 13488 16298 18966 24447 25288 26976 30629 32596 37932 48894 50576 61258 65192 75864 91887 97788 101152 122516 130384 151728 183774 195576 245032 260768 303456 367548 391152 490064 735096 782304 888241 980128 1470192 1776482 2664723 2940384 3552964 5329446 7105928 10658892 14211856 21317784 28423712 42635568 85271136