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404862042 = 231347110437
BaseRepresentation
bin11000001000011…
…011010001011010
31001012211010022110
4120020123101122
51312121041132
6104101333150
713014161544
oct3010332132
91035733273
10404862042
11198596932
12b37071b6
1365b54650
143baac694
15258241cc
hex1821b45a

404862042 has 32 divisors (see below), whose sum is σ = 890572032. Its totient is φ = 121921344.

The previous prime is 404862019. The next prime is 404862049. The reversal of 404862042 is 240268404.

It is not an unprimeable number, because it can be changed into a prime (404862049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51553 + ... + 58884.

It is an arithmetic number, because the mean of its divisors is an integer number (27830376).

Almost surely, 2404862042 is an apocalyptic number.

404862042 is an abundant number, since it is smaller than the sum of its proper divisors (485709990).

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

404862042 is a wasteful number, since it uses less digits than its factorization.

404862042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110502.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 404862042 is about 20121.1839114899. The cubic root of 404862042 is about 739.7796044412.

The spelling of 404862042 in words is "four hundred four million, eight hundred sixty-two thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1222 1833 3666 110437 220874 331311 662622 1435681 2871362 4307043 5190539 8614086 10381078 15571617 31143234 67477007 134954014 202431021 404862042