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85175132 = 227362081
BaseRepresentation
bin1010001001110…
…10101101011100
312221021100022112
411010322231130
5133301101012
612241333152
72052656000
oct504725534
9187240275
1085175132
1144096379
12246371b8
1314852ab3
14b452700
157727122
hex513ab5c

85175132 has 24 divisors (see below), whose sum is σ = 173829600. Its totient is φ = 36503040.

The previous prime is 85175099. The next prime is 85175137. The reversal of 85175132 is 23157158.

It is a super-2 number, since 2×851751322 = 14509606222434848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85175137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29669 + ... + 32412.

It is an arithmetic number, because the mean of its divisors is an integer number (7242900).

Almost surely, 285175132 is an apocalyptic number.

It is an amenable number.

85175132 is an abundant number, since it is smaller than the sum of its proper divisors (88654468).

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

85175132 is a wasteful number, since it uses less digits than its factorization.

85175132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62106 (or 62090 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 85175132 is about 9229.0374362660. The cubic root of 85175132 is about 439.9847308751.

The spelling of 85175132 in words is "eighty-five million, one hundred seventy-five thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 62081 124162 248324 434567 869134 1738268 3041969 6083938 12167876 21293783 42587566 85175132