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152630660 = 22571326451
BaseRepresentation
bin10010001100011…
…11010110000100
3101122012102220102
421012033112010
5303033140120
623051223232
73532224230
oct1106172604
9348172812
10152630660
1179179746
1243147b18
1325810400
14163b15c0
15d5edd75
hex918f584

152630660 has 72 divisors (see below), whose sum is σ = 396720576. Its totient is φ = 48297600.

The previous prime is 152630651. The next prime is 152630669. The reversal of 152630660 is 66036251.

It is an interprime number because it is at equal distance from previous prime (152630651) and next prime (152630669).

It is a super-2 number, since 2×1526306602 = 46592236744071200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152630669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20435 + ... + 26885.

It is an arithmetic number, because the mean of its divisors is an integer number (5510008).

Almost surely, 2152630660 is an apocalyptic number.

152630660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152630660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198360288).

152630660 is an abundant number, since it is smaller than the sum of its proper divisors (244089916).

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

152630660 is a wasteful number, since it uses less digits than its factorization.

152630660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493 (or 6478 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 152630660 is about 12354.3781713205. The cubic root of 152630660 is about 534.4174052278.

The spelling of 152630660 in words is "one hundred fifty-two million, six hundred thirty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 169 182 260 338 364 455 676 845 910 1183 1690 1820 2366 3380 4732 5915 6451 11830 12902 23660 25804 32255 45157 64510 83863 90314 129020 167726 180628 225785 335452 419315 451570 587041 838630 903140 1090219 1174082 1677260 2180438 2348164 2935205 4360876 5451095 5870410 7631533 10902190 11740820 15263066 21804380 30526132 38157665 76315330 152630660