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828400888 = 23717870169
BaseRepresentation
bin110001011000000…
…110010011111000
32010201210010101101
4301120012103320
53144032312023
6214111301144
726346201640
oct6130062370
92121703341
10828400888
11395679937
121b151a7b4
13102818053
147c03d520
154cad71ad
hex316064f8

828400888 has 32 divisors (see below), whose sum is σ = 1879567200. Its totient is φ = 334144512.

The previous prime is 828400877. The next prime is 828400907. The reversal of 828400888 is 888004828.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 434133 + ... + 436036.

It is an arithmetic number, because the mean of its divisors is an integer number (58736475).

Almost surely, 2828400888 is an apocalyptic number.

It is an amenable number.

828400888 is an abundant number, since it is smaller than the sum of its proper divisors (1051166312).

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

828400888 is a wasteful number, since it uses less digits than its factorization.

828400888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870199 (or 870195 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 46.

The square root of 828400888 is about 28781.9542074544. The cubic root of 828400888 is about 939.1757101632.

The spelling of 828400888 in words is "eight hundred twenty-eight million, four hundred thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 870169 1740338 3480676 6091183 6961352 12182366 14792873 24364732 29585746 48729464 59171492 103550111 118342984 207100222 414200444 828400888