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290666802 = 23197245911
BaseRepresentation
bin10001010100110…
…011100100110010
3202020221101220010
4101110303210302
51043402314202
644501555350
710126425036
oct2124634462
9666841803
10290666802
1113a08a2a8
1281415b56
13482b08ba
142a8641c6
151a7b876c
hex11533932

290666802 has 16 divisors (see below), whose sum is σ = 584286912. Its totient is φ = 96396720.

The previous prime is 290666773. The next prime is 290666813. The reversal of 290666802 is 208666092.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121774 + ... + 124137.

It is an arithmetic number, because the mean of its divisors is an integer number (36517932).

Almost surely, 2290666802 is an apocalyptic number.

290666802 is an abundant number, since it is smaller than the sum of its proper divisors (293620110).

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

290666802 is a wasteful number, since it uses less digits than its factorization.

290666802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246113.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 290666802 is about 17048.9531056895. The cubic root of 290666802 is about 662.4175206208.

The spelling of 290666802 in words is "two hundred ninety million, six hundred sixty-six thousand, eight hundred two".

Divisors: 1 2 3 6 197 394 591 1182 245911 491822 737733 1475466 48444467 96888934 145333401 290666802