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85048692 = 2237087391
BaseRepresentation
bin1010001000110…
…11110101110100
312221000220212120
411010123311310
5133233024232
612234515540
72051621241
oct504336564
9187026776
1085048692
114400a383
1224595bb0
131480a391
14b41c5c8
1576ee92c
hex511bd74

85048692 has 12 divisors (see below), whose sum is σ = 198446976. Its totient is φ = 28349560.

The previous prime is 85048657. The next prime is 85048697. The reversal of 85048692 is 29684058.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85048697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543684 + ... + 3543707.

It is an arithmetic number, because the mean of its divisors is an integer number (16537248).

Almost surely, 285048692 is an apocalyptic number.

It is an amenable number.

85048692 is an abundant number, since it is smaller than the sum of its proper divisors (113398284).

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

85048692 is a wasteful number, since it uses less digits than its factorization.

85048692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087398 (or 7087396 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 85048692 is about 9222.1847736857. The cubic root of 85048692 is about 439.7669082209.

The spelling of 85048692 in words is "eighty-five million, forty-eight thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 7087391 14174782 21262173 28349564 42524346 85048692