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802417990 = 25117294709
BaseRepresentation
bin101111110100111…
…110110101000110
32001220220001112211
4233310332311012
53120404333430
6211342334034
725612304023
oct5764766506
92056801484
10802417990
11381a42570
121a488a31a
13ca31b65a
14787d854a
154a6a372a
hex2fd3ed46

802417990 has 16 divisors (see below), whose sum is σ = 1575657360. Its totient is φ = 291788320.

The previous prime is 802417963. The next prime is 802417999. The reversal of 802417990 is 99714208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802417999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647245 + ... + 3647464.

It is an arithmetic number, because the mean of its divisors is an integer number (98478585).

Almost surely, 2802417990 is an apocalyptic number.

802417990 is a deficient number, since it is larger than the sum of its proper divisors (773239370).

802417990 is a wasteful number, since it uses less digits than its factorization.

802417990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294727.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 802417990 is about 28326.9834257021. The cubic root of 802417990 is about 929.2521022967.

The spelling of 802417990 in words is "eight hundred two million, four hundred seventeen thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 7294709 14589418 36473545 72947090 80241799 160483598 401208995 802417990