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31041344 = 26485021
BaseRepresentation
bin111011001101…
…0011101000000
32011102001201102
41312122131000
530421310334
63025153532
7524563355
oct166323500
964361642
1031041344
1116581904
12a48b8a8
13657ac79
1441a062c
152ad267e
hex1d9a740

31041344 has 14 divisors (see below), whose sum is σ = 61597794. Its totient is φ = 15520640.

The previous prime is 31041317. The next prime is 31041379. The reversal of 31041344 is 44314013.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 5234944 = 5080^2 + 2288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242447 + ... + 242574.

Almost surely, 231041344 is an apocalyptic number.

It is an amenable number.

31041344 is a deficient number, since it is larger than the sum of its proper divisors (30556450).

31041344 is an equidigital number, since it uses as much as digits as its factorization.

31041344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485033 (or 485023 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 31041344 is about 5571.4759265387. The cubic root of 31041344 is about 314.2776561492.

Adding to 31041344 its reverse (44314013), we get a palindrome (75355357).

The spelling of 31041344 in words is "thirty-one million, forty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 485021 970042 1940084 3880168 7760336 15520672 31041344