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630717052 = 227127193919
BaseRepresentation
bin100101100101111…
…111101001111100
31121221210202010211
4211211333221330
52242430421202
6142330242204
721426002140
oct4545775174
91557722124
10630717052
112a4029069
12157286364
13a0892074
145daa1220
153a5891d7
hex2597fa7c

630717052 has 48 divisors (see below), whose sum is σ = 1279344640. Its totient is φ = 266499072.

The previous prime is 630717049. The next prime is 630717053. The reversal of 630717052 is 250717036.

It is a super-3 number, since 3×6307170523 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630717053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685849 + ... + 686767.

Almost surely, 2630717052 is an apocalyptic number.

It is an amenable number.

630717052 is an abundant number, since it is smaller than the sum of its proper divisors (648627588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630717052 is a wasteful number, since it uses less digits than its factorization.

630717052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 630717052 is about 25114.0807516421. The cubic root of 630717052 is about 857.5870037264.

The spelling of 630717052 in words is "six hundred thirty million, seven hundred seventeen thousand, fifty-two".

Divisors: 1 2 4 7 14 28 127 193 254 386 508 772 889 919 1351 1778 1838 2702 3556 3676 5404 6433 12866 24511 25732 49022 98044 116713 171577 177367 233426 343154 354734 466852 686308 709468 816991 1241569 1633982 2483138 3267964 4966276 22525609 45051218 90102436 157679263 315358526 630717052