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31411054 = 2232572657
BaseRepresentation
bin111011111010…
…0101101101110
32012002211212101
41313310231232
531020123204
63041125314
7530663263
oct167645556
965084771
1031411054
1116804654
12a62983a
13667a32c
14425926a
152b56ea4
hex1df4b6e

31411054 has 16 divisors (see below), whose sum is σ = 49375008. Its totient is φ = 14958592.

The previous prime is 31411021. The next prime is 31411063. The reversal of 31411054 is 45011413.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10494 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (3085938).

Almost surely, 231411054 is an apocalyptic number.

31411054 is a deficient number, since it is larger than the sum of its proper divisors (17963954).

31411054 is a wasteful number, since it uses less digits than its factorization.

31411054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 31411054 is about 5604.5565391028. The cubic root of 31411054 is about 315.5204430852.

Adding to 31411054 its reverse (45011413), we get a palindrome (76422467).

The spelling of 31411054 in words is "thirty-one million, four hundred eleven thousand, fifty-four".

Divisors: 1 2 23 46 257 514 2657 5314 5911 11822 61111 122222 682849 1365698 15705527 31411054