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630655337 = 13103946691
BaseRepresentation
bin100101100101110…
…000100101101001
31121221200121111002
4211211300211221
52242421432322
6142325044345
721425324204
oct4545604551
91557617432
10630655337
112a3a96764
121572566b5
13a086cc50
145da8693b
153a575c92
hex25970969

630655337 has 8 divisors (see below), whose sum is σ = 679835520. Its totient is φ = 581570640.

The previous prime is 630655309. The next prime is 630655339. The reversal of 630655337 is 733556036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630655337 - 218 = 630393193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630655337.

It is not an unprimeable number, because it can be changed into a prime (630655339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9839 + ... + 36852.

It is an arithmetic number, because the mean of its divisors is an integer number (84979440).

Almost surely, 2630655337 is an apocalyptic number.

It is an amenable number.

630655337 is a deficient number, since it is larger than the sum of its proper divisors (49180183).

630655337 is a wasteful number, since it uses less digits than its factorization.

630655337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47743.

The product of its (nonzero) digits is 170100, while the sum is 38.

The square root of 630655337 is about 25112.8520283937. The cubic root of 630655337 is about 857.5590314853.

The spelling of 630655337 in words is "six hundred thirty million, six hundred fifty-five thousand, three hundred thirty-seven".

Divisors: 1 13 1039 13507 46691 606983 48511949 630655337