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31044049 is a prime number
BaseRepresentation
bin111011001101…
…1000111010001
32011102012102121
41312123013101
530421402144
63025214241
7524604301
oct166330721
964365377
1031044049
1116583943
12a491381
13657c27a
1441a1601
152ad3384
hex1d9b1d1

31044049 has 2 divisors, whose sum is σ = 31044050. Its totient is φ = 31044048.

The previous prime is 31044031. The next prime is 31044109. The reversal of 31044049 is 94044013.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 2496400 = 5343^2 + 1580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31044049 is a prime.

It is not a weakly prime, because it can be changed into another prime (31044019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522024 + 15522025.

It is an arithmetic number, because the mean of its divisors is an integer number (15522025).

Almost surely, 231044049 is an apocalyptic number.

It is an amenable number.

31044049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044049 is an equidigital number, since it uses as much as digits as its factorization.

31044049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 31044049 is about 5571.7186755973. The cubic root of 31044049 is about 314.2867847956.

The spelling of 31044049 in words is "thirty-one million, forty-four thousand, forty-nine".