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159029730 = 23451711549
BaseRepresentation
bin10010111101010…
…01100111100010
3102002020112210000
421132221213202
5311202422410
623440320430
73640505346
oct1136514742
9362215700
10159029730
118184a432
1245313116
1326c40c42
1417199626
15de64dc0
hex97a99e2

159029730 has 80 divisors (see below), whose sum is σ = 452806200. Its totient is φ = 39909888.

The previous prime is 159029711. The next prime is 159029749. The reversal of 159029730 is 37920951.

It is an interprime number because it is at equal distance from previous prime (159029711) and next prime (159029749).

It can be written as a sum of positive squares in 4 ways, for example, as 158986881 + 42849 = 12609^2 + 207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7996 + ... + 19544.

Almost surely, 2159029730 is an apocalyptic number.

159029730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 159029730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226403100).

159029730 is an abundant number, since it is smaller than the sum of its proper divisors (293776470).

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

159029730 is a wasteful number, since it uses less digits than its factorization.

159029730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585 (or 11576 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 159029730 is about 12610.6990289991. The cubic root of 159029730 is about 541.7839150790.

The spelling of 159029730 in words is "one hundred fifty-nine million, twenty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 102 135 153 162 170 255 270 306 405 459 510 765 810 918 1377 1530 2295 2754 4590 6885 11549 13770 23098 34647 57745 69294 103941 115490 173235 196333 207882 311823 346470 392666 519705 588999 623646 935469 981665 1039410 1177998 1559115 1766997 1870938 1963330 2944995 3118230 3533994 4677345 5300991 5889990 8834985 9354690 10601982 15902973 17669970 26504955 31805946 53009910 79514865 159029730