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85307412 = 22331229321
BaseRepresentation
bin1010001010110…
…11000000010100
312221112001202210
411011123000110
5133314314122
612244233420
72054046441
oct505330024
9187461683
1085307412
11441767a3
122469b870
131489b078
14b4889c8
15775140c
hex515b014

85307412 has 24 divisors (see below), whose sum is σ = 205472512. Its totient is φ = 27518400.

The previous prime is 85307407. The next prime is 85307419. The reversal of 85307412 is 21470358.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85307412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85307419) 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, 114289 + ... + 115032.

Almost surely, 285307412 is an apocalyptic number.

It is an amenable number.

85307412 is an abundant number, since it is smaller than the sum of its proper divisors (120165100).

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

85307412 is a wasteful number, since it uses less digits than its factorization.

85307412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229359 (or 229357 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85307412 is about 9236.2011671466. The cubic root of 85307412 is about 440.2123836939.

The spelling of 85307412 in words is "eighty-five million, three hundred seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 229321 458642 687963 917284 1375926 2751852 7108951 14217902 21326853 28435804 42653706 85307412