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85474902 = 2353268789
BaseRepresentation
bin1010001100000…
…11111001010110
312221211120112010
411012003321112
5133340144102
612252005050
72055344652
oct506037126
9187746463
1085474902
1144280617
1224760786
1314929386
14b4cda62
157785d6c
hex5183e56

85474902 has 16 divisors (see below), whose sum is σ = 174175920. Its totient is φ = 27953952.

The previous prime is 85474891. The next prime is 85474931. The reversal of 85474902 is 20947458.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 134077 + ... + 134712.

It is an arithmetic number, because the mean of its divisors is an integer number (10885995).

Almost surely, 285474902 is an apocalyptic number.

85474902 is an abundant number, since it is smaller than the sum of its proper divisors (88701018).

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

85474902 is a wasteful number, since it uses less digits than its factorization.

85474902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268847.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 85474902 is about 9245.2637604343. The cubic root of 85474902 is about 440.5002952564.

The spelling of 85474902 in words is "eighty-five million, four hundred seventy-four thousand, nine hundred two".

Divisors: 1 2 3 6 53 106 159 318 268789 537578 806367 1612734 14245817 28491634 42737451 85474902