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31014049 = 1124111699
BaseRepresentation
bin111011001001…
…1110010100001
32011100200021111
41312103302201
530414422144
63024423321
7524420653
oct166236241
964320244
1031014049
1116563350
12a477b41
13656b711
1441946d3
152ac9534
hex1d93ca1

31014049 has 8 divisors (see below), whose sum is σ = 33976800. Its totient is φ = 28075200.

The previous prime is 31014019. The next prime is 31014059. The reversal of 31014049 is 94041013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31014049 - 25 = 31014017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31014019) by changing a digit.

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, 3199 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (4247100).

Almost surely, 231014049 is an apocalyptic number.

It is an amenable number.

31014049 is a deficient number, since it is larger than the sum of its proper divisors (2962751).

31014049 is a wasteful number, since it uses less digits than its factorization.

31014049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 31014049 is about 5569.0258573650. The cubic root of 31014049 is about 314.1855131870.

The spelling of 31014049 in words is "thirty-one million, fourteen thousand, forty-nine".

Divisors: 1 11 241 2651 11699 128689 2819459 31014049