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159910990 = 2529395441
BaseRepresentation
bin10011000100000…
…00110001001110
3102010220022122021
421202000301032
5311414122430
623511240354
73651135541
oct1142006116
9363808567
10159910990
11822a1548
12456790ba
132718c0b5
1417348858
15e08b07a
hex9880c4e

159910990 has 16 divisors (see below), whose sum is σ = 287990640. Its totient is φ = 63930880.

The previous prime is 159910981. The next prime is 159910991. The reversal of 159910990 is 99019951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159910991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26670 + ... + 32110.

It is an arithmetic number, because the mean of its divisors is an integer number (17999415).

Almost surely, 2159910990 is an apocalyptic number.

159910990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159910990 is a deficient number, since it is larger than the sum of its proper divisors (128079650).

159910990 is a wasteful number, since it uses less digits than its factorization.

159910990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387.

The product of its (nonzero) digits is 32805, while the sum is 43.

The square root of 159910990 is about 12645.5917220192. The cubic root of 159910990 is about 542.7828336817.

The spelling of 159910990 in words is "one hundred fifty-nine million, nine hundred ten thousand, nine hundred ninety".

Divisors: 1 2 5 10 2939 5441 5878 10882 14695 27205 29390 54410 15991099 31982198 79955495 159910990