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31414328 = 2311356981
BaseRepresentation
bin111011111010…
…1100000111000
32012010000100122
41313311200320
531020224303
63041152412
7531005651
oct167654070
965100318
1031414328
1116807060
12a62b708
13667b97a
14425a528
152b57e38
hex1df5838

31414328 has 16 divisors (see below), whose sum is σ = 64256760. Its totient is φ = 14279200.

The previous prime is 31414307. The next prime is 31414363. The reversal of 31414328 is 82341413.

It is a junction number, because it is equal to n+sod(n) for n = 31414297 and 31414306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178403 + ... + 178578.

Almost surely, 231414328 is an apocalyptic number.

It is an amenable number.

31414328 is an abundant number, since it is smaller than the sum of its proper divisors (32842432).

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

31414328 is a wasteful number, since it uses less digits than its factorization.

31414328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356998 (or 356994 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 31414328 is about 5604.8486152616. The cubic root of 31414328 is about 315.5314050228.

The spelling of 31414328 in words is "thirty-one million, four hundred fourteen thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 22 44 88 356981 713962 1427924 2855848 3926791 7853582 15707164 31414328