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31415064 = 2339291409
BaseRepresentation
bin111011111010…
…1101100011000
32012010001100220
41313311230120
531020240224
63041200040
7531011052
oct167655430
965101326
1031415064
111680766a
12a630020
13667c0c5
14425a8d2
152b58279
hex1df5b18

31415064 has 32 divisors (see below), whose sum is σ = 78678000. Its totient is φ = 10452992.

The previous prime is 31415053. The next prime is 31415071. The reversal of 31415064 is 46051413.

It is a super-2 number, since 2×314150642 = 1973812492248192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21592 + ... + 23000.

Almost surely, 231415064 is an apocalyptic number.

It is an amenable number.

31415064 is an abundant number, since it is smaller than the sum of its proper divisors (47262936).

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

31415064 is a wasteful number, since it uses less digits than its factorization.

31415064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 31415064 is about 5604.9142723150. The cubic root of 31415064 is about 315.5338691776.

Adding to 31415064 its reverse (46051413), we get a palindrome (77466477).

The spelling of 31415064 in words is "thirty-one million, four hundred fifteen thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 929 1409 1858 2787 2818 3716 4227 5574 5636 7432 8454 11148 11272 16908 22296 33816 1308961 2617922 3926883 5235844 7853766 10471688 15707532 31415064