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290286793 = 3720633803
BaseRepresentation
bin10001010011010…
…110110011001001
3202020020002121201
4101103112303021
51043303134133
644445504201
710123253116
oct2123266311
9666202551
10290286793
1113994a845
1281272061
13481a9944
142a7a590d
151a740d7d
hex114d6cc9

290286793 has 8 divisors (see below), whose sum is σ = 298355328. Its totient is φ = 282230064.

The previous prime is 290286767. The next prime is 290286803. The reversal of 290286793 is 397682092.

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 290286793 - 29 = 290286281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290226793) 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, 74430 + ... + 78232.

It is an arithmetic number, because the mean of its divisors is an integer number (37294416).

Almost surely, 2290286793 is an apocalyptic number.

It is an amenable number.

290286793 is a deficient number, since it is larger than the sum of its proper divisors (8068535).

290286793 is a wasteful number, since it uses less digits than its factorization.

290286793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 290286793 is about 17037.8048175227. The cubic root of 290286793 is about 662.1287198397.

The spelling of 290286793 in words is "two hundred ninety million, two hundred eighty-six thousand, seven hundred ninety-three".

Divisors: 1 37 2063 3803 76331 140711 7845589 290286793