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712649049 = 37311995501
BaseRepresentation
bin101010011110100…
…010100101011001
31211122222022201020
4222132202211121
52424414232144
6154414313053
723442263010
oct5236424531
91748868636
10712649049
113362a9862
1217a7b8789
13b484a938
146a90ba77
1542870419
hex2a7a2959

712649049 has 32 divisors (see below), whose sum is σ = 1126809600. Its totient is φ = 392040000.

The previous prime is 712649033. The next prime is 712649083. The reversal of 712649049 is 940946217.

712649049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 712649049 - 24 = 712649033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712649049.

It is not an unprimeable number, because it can be changed into a prime (712649029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126799 + ... + 132299.

It is an arithmetic number, because the mean of its divisors is an integer number (35212800).

Almost surely, 2712649049 is an apocalyptic number.

It is an amenable number.

712649049 is a deficient number, since it is larger than the sum of its proper divisors (414160551).

712649049 is a wasteful number, since it uses less digits than its factorization.

712649049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 712649049 is about 26695.4874276534. The cubic root of 712649049 is about 893.2202698887.

The spelling of 712649049 in words is "seven hundred twelve million, six hundred forty-nine thousand, forty-nine".

Divisors: 1 3 7 21 31 93 199 217 597 651 1393 4179 5501 6169 16503 18507 38507 43183 115521 129549 170531 511593 1094699 1193717 3284097 3581151 7662893 22988679 33935669 101807007 237549683 712649049