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31230092 = 2225933011
BaseRepresentation
bin111011100100…
…0100010001100
32011202122122002
41313020202030
530443330332
63033211432
7526310555
oct167104214
964678562
1031230092
11166a06a3
12a560b78
136615b5a
14420d32c
152b1d562
hex1dc888c

31230092 has 12 divisors (see below), whose sum is σ = 54691896. Its totient is φ = 15603840.

The previous prime is 31230079. The next prime is 31230163. The reversal of 31230092 is 29003213.

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 3 ways as a sum of consecutive naturals, for example, 8867 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (4557658).

Almost surely, 231230092 is an apocalyptic number.

It is an amenable number.

31230092 is a deficient number, since it is larger than the sum of its proper divisors (23461804).

31230092 is a wasteful number, since it uses less digits than its factorization.

31230092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 31230092 is about 5588.3890344177. The cubic root of 31230092 is about 314.9133615765.

The spelling of 31230092 in words is "thirty-one million, two hundred thirty thousand, ninety-two".

Divisors: 1 2 4 2593 3011 5186 6022 10372 12044 7807523 15615046 31230092