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285001896 = 23311875079
BaseRepresentation
bin10000111111001…
…100100010101000
3201212021121002210
4100333030202220
51040430030041
644140325120
710030322214
oct2077144250
9655247083
10285001896
11136970163
127b5437a0
134707929a
1429bcb944
151a04a016
hex10fcc8a8

285001896 has 16 divisors (see below), whose sum is σ = 712504800. Its totient is φ = 95000624.

The previous prime is 285001891. The next prime is 285001903. The reversal of 285001896 is 698100582.

It is not an unprimeable number, because it can be changed into a prime (285001891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5937516 + ... + 5937563.

It is an arithmetic number, because the mean of its divisors is an integer number (44531550).

Almost surely, 2285001896 is an apocalyptic number.

It is an amenable number.

285001896 is an abundant number, since it is smaller than the sum of its proper divisors (427502904).

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

285001896 is a wasteful number, since it uses less digits than its factorization.

285001896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875088 (or 11875084 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 285001896 is about 16881.9991707143. Note that the first 3 decimals coincide. The cubic root of 285001896 is about 658.0858958520.

The spelling of 285001896 in words is "two hundred eighty-five million, one thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 11875079 23750158 35625237 47500316 71250474 95000632 142500948 285001896