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31497114 = 2311477229
BaseRepresentation
bin111100000100…
…1101110011010
32012021012220210
41320021232122
531030401424
63043031550
7531502215
oct170115632
965235823
1031497114
1116863280
12a66b5b6
1366aa55c
14427c77c
152b72729
hex1e09b9a

31497114 has 16 divisors (see below), whose sum is σ = 68721120. Its totient is φ = 9544560.

The previous prime is 31497083. The next prime is 31497127. The reversal of 31497114 is 41179413.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238549 + ... + 238680.

It is an arithmetic number, because the mean of its divisors is an integer number (4295070).

Almost surely, 231497114 is an apocalyptic number.

31497114 is an abundant number, since it is smaller than the sum of its proper divisors (37224006).

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

31497114 is a wasteful number, since it uses less digits than its factorization.

31497114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477245.

The product of its digits is 3024, while the sum is 30.

The square root of 31497114 is about 5612.2289689570. The cubic root of 31497114 is about 315.8083346074.

The spelling of 31497114 in words is "thirty-one million, four hundred ninety-seven thousand, one hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 477229 954458 1431687 2863374 5249519 10499038 15748557 31497114