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31474906 = 2191077741
BaseRepresentation
bin111100000010…
…0010011011010
32012020002110021
41320010103122
531024144111
63042341054
7531350401
oct170042332
965202407
1031474906
1116848621
12a65a78a
1366a0408
144274638
152b6ad71
hex1e044da

31474906 has 16 divisors (see below), whose sum is σ = 50168160. Its totient is φ = 14767920.

The previous prime is 31474873. The next prime is 31474931. The reversal of 31474906 is 60947413.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (3135510).

Almost surely, 231474906 is an apocalyptic number.

31474906 is a deficient number, since it is larger than the sum of its proper divisors (18693254).

31474906 is a wasteful number, since it uses less digits than its factorization.

31474906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 31474906 is about 5610.2500835524. The cubic root of 31474906 is about 315.7340937262.

The spelling of 31474906 in words is "thirty-one million, four hundred seventy-four thousand, nine hundred six".

Divisors: 1 2 19 38 107 214 2033 4066 7741 15482 147079 294158 828287 1656574 15737453 31474906