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31422000404 = 228417993319
BaseRepresentation
bin11101010000111001…
…011010110100010100
310000002212001000012202
4131100321122310110
51003323013003104
622233550304032
72161444411424
oct352071326424
9100085030182
1031422000404
1112364999a83
12610b1b8018
132c69b77662
141741246484
15c3d8b751e
hex750e5ad14

31422000404 has 12 divisors (see below), whose sum is σ = 54989743200. Its totient is φ = 15710645208.

The previous prime is 31422000403. The next prime is 31422000409. The reversal of 31422000404 is 40400022413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422000403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290057 + ... + 383375.

It is an arithmetic number, because the mean of its divisors is an integer number (4582478600).

Almost surely, 231422000404 is an apocalyptic number.

It is an amenable number.

31422000404 is a deficient number, since it is larger than the sum of its proper divisors (23567742796).

31422000404 is a wasteful number, since it uses less digits than its factorization.

31422000404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177502 (or 177500 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 31422000404 its reverse (40400022413), we get a palindrome (71822022817).

The spelling of 31422000404 in words is "thirty-one billion, four hundred twenty-two million, four hundred four", and thus it is an aban number.

Divisors: 1 2 4 84179 93319 168358 186638 336716 373276 7855500101 15711000202 31422000404