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402050894 = 2728717921
BaseRepresentation
bin10111111101101…
…100111101001110
31001000112022010212
4113331230331032
51310411112034
6103521202422
712651243020
oct2775547516
91030468125
10402050894
11196a46873
12b2790412
13653abc4b
143b57a010
152546b2ce
hex17f6cf4e

402050894 has 8 divisors (see below), whose sum is σ = 689230128. Its totient is φ = 172307520.

The previous prime is 402050893. The next prime is 402050927. The reversal of 402050894 is 498050204.

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 402050894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402050893) 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, 14358947 + ... + 14358974.

It is an arithmetic number, because the mean of its divisors is an integer number (86153766).

Almost surely, 2402050894 is an apocalyptic number.

402050894 is a deficient number, since it is larger than the sum of its proper divisors (287179234).

402050894 is a wasteful number, since it uses less digits than its factorization.

402050894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717930.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 402050894 is about 20051.2067965996. The cubic root of 402050894 is about 738.0634133469.

The spelling of 402050894 in words is "four hundred two million, fifty thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 28717921 57435842 201025447 402050894