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31429482 = 2372106903
BaseRepresentation
bin111011111100…
…1001101101010
32012010210010220
41313321031222
531021220412
63041350510
7531101100
oct167711552
965123126
1031429482
1116817487
12a638436
136685836
144261c70
152b5c68c
hex1df936a

31429482 has 24 divisors (see below), whose sum is σ = 73122336. Its totient is φ = 8979768.

The previous prime is 31429469. The next prime is 31429501. The reversal of 31429482 is 28492413.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53158 + ... + 53745.

It is an arithmetic number, because the mean of its divisors is an integer number (3046764).

Almost surely, 231429482 is an apocalyptic number.

31429482 is an abundant number, since it is smaller than the sum of its proper divisors (41692854).

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

31429482 is a wasteful number, since it uses less digits than its factorization.

31429482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106922 (or 106915 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 31429482 is about 5606.2003175056. The cubic root of 31429482 is about 315.5821334065.

The spelling of 31429482 in words is "thirty-one million, four hundred twenty-nine thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 106903 213806 320709 641418 748321 1496642 2244963 4489926 5238247 10476494 15714741 31429482