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31041404 = 2211816571
BaseRepresentation
bin111011001101…
…0011101111100
32011102001210122
41312122131330
530421311104
63025154112
7524563502
oct166323574
964361718
1031041404
1116581959
12a48b938
13657acc4
1441a0672
152ad26be
hex1d9a77c

31041404 has 12 divisors (see below), whose sum is σ = 54376728. Its totient is φ = 15505200.

The previous prime is 31041403. The next prime is 31041427. The reversal of 31041404 is 40414013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (4531394).

Almost surely, 231041404 is an apocalyptic number.

It is an amenable number.

31041404 is a deficient number, since it is larger than the sum of its proper divisors (23335324).

31041404 is a wasteful number, since it uses less digits than its factorization.

31041404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756 (or 7754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31041404 is about 5571.4813111057. The cubic root of 31041404 is about 314.2778586388.

Adding to 31041404 its reverse (40414013), we get a palindrome (71455417).

It can be divided in two parts, 310 and 41404, that added together give a palindrome (41714).

The spelling of 31041404 in words is "thirty-one million, forty-one thousand, four hundred four".

Divisors: 1 2 4 1181 2362 4724 6571 13142 26284 7760351 15520702 31041404