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630356149 = 97113131439
BaseRepresentation
bin100101100100100…
…111100010110101
31121221010102002001
4211210213202311
52242332344044
6142314415301
721422640013
oct4544474265
91557112061
10630356149
112a39019a5
12157131531
13a0796a07
145da098b3
153a5172d4
hex259278b5

630356149 has 16 divisors (see below), whose sum is σ = 648869760. Its totient is φ = 612218880.

The previous prime is 630356131. The next prime is 630356191. The reversal of 630356149 is 941653036.

630356149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 630356149 - 229 = 93485237 is a prime.

It is a super-2 number, since 2×6303561492 = 794697749164220402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630356119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435672 + ... + 1436110.

It is an arithmetic number, because the mean of its divisors is an integer number (40554360).

Almost surely, 2630356149 is an apocalyptic number.

It is an amenable number.

630356149 is a deficient number, since it is larger than the sum of its proper divisors (18513611).

630356149 is a wasteful number, since it uses less digits than its factorization.

630356149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 630356149 is about 25106.8944515247. The cubic root of 630356149 is about 857.4233990512.

The spelling of 630356149 in words is "six hundred thirty million, three hundred fifty-six thousand, one hundred forty-nine".

Divisors: 1 97 113 131 439 10961 12707 14803 42583 49607 57509 1435891 4811879 5578373 6498517 630356149