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160137630 = 23253157397
BaseRepresentation
bin10011000101110…
…00000110011110
3102011022211112100
421202320012132
5311443401010
623520145530
73653101362
oct1142700636
9364284470
10160137630
1182436854
12457682a6
132723b2c3
14173a72a2
15e0d32c0
hex98b819e

160137630 has 48 divisors (see below), whose sum is σ = 429796224. Its totient is φ = 41325120.

The previous prime is 160137629. The next prime is 160137641. The reversal of 160137630 is 36731061.

160137630 is a `hidden beast` number, since 16 + 0 + 13 + 7 + 630 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 160137594 and 160137603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25909 + ... + 31488.

It is an arithmetic number, because the mean of its divisors is an integer number (8954088).

Almost surely, 2160137630 is an apocalyptic number.

160137630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160137630 is an abundant number, since it is smaller than the sum of its proper divisors (269658594).

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

160137630 is a wasteful number, since it uses less digits than its factorization.

160137630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57441 (or 57438 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 160137630 is about 12654.5497746858. The cubic root of 160137630 is about 543.0391392481.

Adding to 160137630 its reverse (36731061), we get a palindrome (196868691).

The spelling of 160137630 in words is "one hundred sixty million, one hundred thirty-seven thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 57397 114794 172191 286985 344382 516573 573970 860955 1033146 1721910 1779307 2582865 3558614 5165730 5337921 8896535 10675842 16013763 17793070 26689605 32027526 53379210 80068815 160137630