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290985037 = 747884453
BaseRepresentation
bin10001010110000…
…001010001001101
3202021112120102121
4101112001101031
51043443010122
644512452541
710132221610
oct2126012115
9667476377
10290985037
1113a287402
128154a151
13483926c5
142a908177
151a82cbc7
hex1158144d

290985037 has 8 divisors (see below), whose sum is σ = 339630336. Its totient is φ = 244108752.

The previous prime is 290985017. The next prime is 290985059. The reversal of 290985037 is 730589092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 290985037 - 215 = 290952269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290984984 and 290985002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290985017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441898 + ... + 442555.

It is an arithmetic number, because the mean of its divisors is an integer number (42453792).

Almost surely, 2290985037 is an apocalyptic number.

It is an amenable number.

290985037 is a deficient number, since it is larger than the sum of its proper divisors (48645299).

290985037 is an equidigital number, since it uses as much as digits as its factorization.

290985037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884507.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 290985037 is about 17058.2835302969. The cubic root of 290985037 is about 662.6591805469.

The spelling of 290985037 in words is "two hundred ninety million, nine hundred eighty-five thousand, thirty-seven".

Divisors: 1 7 47 329 884453 6191171 41569291 290985037