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159290 = 2517937
BaseRepresentation
bin100110111000111010
322002111122
4212320322
520044130
63225242
71232255
oct467072
9262448
10159290
11a974a
1278222
1357671
144209c
15322e5
hex26e3a

159290 has 16 divisors (see below), whose sum is σ = 303912. Its totient is φ = 59904.

The previous prime is 159287. The next prime is 159293. The reversal of 159290 is 92951.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (159287) and next prime (159293).

It can be written as a sum of positive squares in 4 ways, for example, as 109561 + 49729 = 331^2 + 223^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159290.

It is not an unprimeable number, because it can be changed into a prime (159293) 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, 299 + ... + 638.

2159290 is an apocalyptic number.

159290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159290 is a deficient number, since it is larger than the sum of its proper divisors (144622).

159290 is a wasteful number, since it uses less digits than its factorization.

159290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 159290 is about 399.1115132391. Note that the first 3 decimals coincide. The cubic root of 159290 is about 54.2079317377.

The spelling of 159290 in words is "one hundred fifty-nine thousand, two hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 937 1874 4685 9370 15929 31858 79645 159290