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31014379 = 112819489
BaseRepresentation
bin111011001001…
…1110111101011
32011100200201201
41312103313223
530414430004
63024425031
7524421634
oct166236753
964320651
1031014379
1116563620
12a478177
13656b906
14419488b
152ac96a4
hex1d93deb

31014379 has 4 divisors (see below), whose sum is σ = 33833880. Its totient is φ = 28194880.

The previous prime is 31014377. The next prime is 31014383. The reversal of 31014379 is 97341013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31014379 - 21 = 31014377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31014371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409734 + ... + 1409755.

It is an arithmetic number, because the mean of its divisors is an integer number (8458470).

Almost surely, 231014379 is an apocalyptic number.

31014379 is a deficient number, since it is larger than the sum of its proper divisors (2819501).

31014379 is a wasteful number, since it uses less digits than its factorization.

31014379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819500.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 31014379 is about 5569.0554854481. The cubic root of 31014379 is about 314.1866275298.

The spelling of 31014379 in words is "thirty-one million, fourteen thousand, three hundred seventy-nine".

Divisors: 1 11 2819489 31014379