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285850401 = 3412323987
BaseRepresentation
bin10001000010011…
…011101100100001
3201220212201000220
4101002123230201
51041134203101
644210433253
710040455044
oct2102335441
9656781026
10285850401
1113739a701
127b892829
13472b5565
1429d6cc5b
151a166636
hex1109bb21

285850401 has 8 divisors (see below), whose sum is σ = 390429984. Its totient is φ = 185918880.

The previous prime is 285850379. The next prime is 285850403. The reversal of 285850401 is 104058582.

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

It is not a de Polignac number, because 285850401 - 27 = 285850273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285850403) 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, 1161871 + ... + 1162116.

It is an arithmetic number, because the mean of its divisors is an integer number (48803748).

Almost surely, 2285850401 is an apocalyptic number.

It is an amenable number.

285850401 is a deficient number, since it is larger than the sum of its proper divisors (104579583).

285850401 is a wasteful number, since it uses less digits than its factorization.

285850401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324031.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 285850401 is about 16907.1109595933. The cubic root of 285850401 is about 658.7383312123.

The spelling of 285850401 in words is "two hundred eighty-five million, eight hundred fifty thousand, four hundred one".

Divisors: 1 3 41 123 2323987 6971961 95283467 285850401