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31470092 = 2212761949
BaseRepresentation
bin111100000001…
…1001000001100
32012012211211222
41320003020030
531024020332
63042302512
7531330353
oct170031014
965184758
1031470092
1116844a45
12a657a38
13669b174
14427299a
152b69712
hex1e0320c

31470092 has 12 divisors (see below), whose sum is σ = 55507200. Its totient is φ = 15610896.

The previous prime is 31470073. The next prime is 31470097. The reversal of 31470092 is 29007413.

It is not an unprimeable number, because it can be changed into a prime (31470097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30467 + ... + 31482.

It is an arithmetic number, because the mean of its divisors is an integer number (4625600).

Almost surely, 231470092 is an apocalyptic number.

It is an amenable number.

31470092 is a deficient number, since it is larger than the sum of its proper divisors (24037108).

31470092 is a wasteful number, since it uses less digits than its factorization.

31470092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62080 (or 62078 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 31470092 is about 5609.8210310134. The cubic root of 31470092 is about 315.7179960194.

The spelling of 31470092 in words is "thirty-one million, four hundred seventy thousand, ninety-two".

Divisors: 1 2 4 127 254 508 61949 123898 247796 7867523 15735046 31470092