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290036136 = 233137113093
BaseRepresentation
bin10001010010011…
…001100110101000
3202012202100210010
4101102121212220
51043222124021
644440251520
710121160255
oct2122314650
9665670703
10290036136
11139799495
1281170ba0
134811c820
142a73c42c
151a6e1976
hex114999a8

290036136 has 64 divisors (see below), whose sum is σ = 791925120. Its totient is φ = 87978240.

The previous prime is 290036077. The next prime is 290036143. The reversal of 290036136 is 631630092.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15606 + ... + 28698.

It is an arithmetic number, because the mean of its divisors is an integer number (12373830).

Almost surely, 2290036136 is an apocalyptic number.

290036136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290036136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395962560).

290036136 is an abundant number, since it is smaller than the sum of its proper divisors (501888984).

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

290036136 is a wasteful number, since it uses less digits than its factorization.

290036136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13186 (or 13182 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 290036136 is about 17030.4473223694. The cubic root of 290036136 is about 661.9380865358.

The spelling of 290036136 in words is "two hundred ninety million, thirty-six thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 71 78 104 142 156 213 284 312 426 568 852 923 1704 1846 2769 3692 5538 7384 11076 13093 22152 26186 39279 52372 78558 104744 157116 170209 314232 340418 510627 680836 929603 1021254 1361672 1859206 2042508 2788809 3718412 4085016 5577618 7436824 11155236 12084839 22310472 24169678 36254517 48339356 72509034 96678712 145018068 290036136