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85274037 = 329474893
BaseRepresentation
bin1010001010100…
…10110110110101
312221110100222200
411011102312311
5133312232122
612243415113
72053550232
oct505226665
9187410880
1085274037
1144153712
1224684499
1314888b14
14b47a789
1577465ac
hex5152db5

85274037 has 6 divisors (see below), whose sum is σ = 123173622. Its totient is φ = 56849352.

The previous prime is 85274029. The next prime is 85274047. The reversal of 85274037 is 73047258.

It can be written as a sum of positive squares in only one way, i.e., 70459236 + 14814801 = 8394^2 + 3849^2 .

It is not a de Polignac number, because 85274037 - 23 = 85274029 is a prime.

It is a super-2 number, since 2×852740372 = 14543322772554738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85273992 and 85274010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85274047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4737438 + ... + 4737455.

It is an arithmetic number, because the mean of its divisors is an integer number (20528937).

Almost surely, 285274037 is an apocalyptic number.

It is an amenable number.

85274037 is a deficient number, since it is larger than the sum of its proper divisors (37899585).

85274037 is a wasteful number, since it uses less digits than its factorization.

85274037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474899 (or 9474896 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 85274037 is about 9234.3942410967. The cubic root of 85274037 is about 440.1549677969.

The spelling of 85274037 in words is "eighty-five million, two hundred seventy-four thousand, thirty-seven".

Divisors: 1 3 9 9474893 28424679 85274037