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159088986 = 23272317569
BaseRepresentation
bin10010111101110…
…00000101011010
3102002100120001200
421132320011122
5311211321421
623441455030
73641143200
oct1136700532
9362316050
10159088986
118188aa01
1245341476
1326c61bc4
14171b3070
15de77726
hex97b815a

159088986 has 72 divisors (see below), whose sum is σ = 402940980. Its totient is φ = 45230976.

The previous prime is 159088961. The next prime is 159088997. The reversal of 159088986 is 689880951.

159088986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128119761 + 30969225 = 11319^2 + 5565^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 279310 + ... + 279878.

Almost surely, 2159088986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159088986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201470490).

159088986 is an abundant number, since it is smaller than the sum of its proper divisors (243851994).

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

159088986 is a wasteful number, since it uses less digits than its factorization.

159088986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 159088986 is about 12613.0482437831. The cubic root of 159088986 is about 541.8511980142.

The spelling of 159088986 in words is "one hundred fifty-nine million, eighty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 317 441 569 634 882 951 1138 1707 1902 2219 2853 3414 3983 4438 5121 5706 6657 7966 10242 11949 13314 15533 19971 23898 27881 31066 35847 39942 46599 55762 71694 83643 93198 139797 167286 180373 250929 279594 360746 501858 541119 1082238 1262611 1623357 2525222 3246714 3787833 7575666 8838277 11363499 17676554 22726998 26514831 53029662 79544493 159088986