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285012038 = 2178382707
BaseRepresentation
bin10000111111001…
…111000001000110
3201212022010000102
4100333033001012
51040430341123
644140444102
710030363613
oct2077170106
9655263012
10285012038
11136977843
127b549632
1347080a9c
1429bd150a
151a04d028
hex10fcf046

285012038 has 8 divisors (see below), whose sum is σ = 452666232. Its totient is φ = 134123296.

The previous prime is 285012031. The next prime is 285012071. The reversal of 285012038 is 830210582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 285012038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285012031) 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, 4191320 + ... + 4191387.

It is an arithmetic number, because the mean of its divisors is an integer number (56583279).

Almost surely, 2285012038 is an apocalyptic number.

285012038 is a deficient number, since it is larger than the sum of its proper divisors (167654194).

285012038 is a wasteful number, since it uses less digits than its factorization.

285012038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382726.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 285012038 is about 16882.2995471589. The cubic root of 285012038 is about 658.0937019147.

The spelling of 285012038 in words is "two hundred eighty-five million, twelve thousand, thirty-eight".

Divisors: 1 2 17 34 8382707 16765414 142506019 285012038