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31283468 = 2217460051
BaseRepresentation
bin111011101010…
…1100100001100
32011212100211222
41313111210030
531002032333
63034302512
7526622306
oct167254414
964770758
1031283468
1116727807
12a587a38
136634238
144224976
152b2e298
hex1dd590c

31283468 has 12 divisors (see below), whose sum is σ = 57966552. Its totient is φ = 14721600.

The previous prime is 31283459. The next prime is 31283491. The reversal of 31283468 is 86438213.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 229958 + ... + 230093.

It is an arithmetic number, because the mean of its divisors is an integer number (4830546).

Almost surely, 231283468 is an apocalyptic number.

It is an amenable number.

31283468 is a deficient number, since it is larger than the sum of its proper divisors (26683084).

31283468 is a wasteful number, since it uses less digits than its factorization.

31283468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460072 (or 460070 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 31283468 is about 5593.1626116179. The cubic root of 31283468 is about 315.0926677893.

The spelling of 31283468 in words is "thirty-one million, two hundred eighty-three thousand, four hundred sixty-eight".

Divisors: 1 2 4 17 34 68 460051 920102 1840204 7820867 15641734 31283468