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890486956 = 221072080577
BaseRepresentation
bin110101000100111…
…100000010101100
32022001121102110101
4311010330002230
53310431040311
6224210120444
731032004612
oct6504740254
92261542411
10890486956
11417725037
1220a280124
13112645678
14863a16b2
155329cec1
hex3513c0ac

890486956 has 12 divisors (see below), whose sum is σ = 1572916968. Its totient is φ = 441082112.

The previous prime is 890486939. The next prime is 890487001. The reversal of 890486956 is 659684098.

It is a super-2 number, since 2×8904869562 = 1585934037612291872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 890486897 and 890486906.

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 3 ways as a sum of consecutive naturals, for example, 1039861 + ... + 1040716.

It is an arithmetic number, because the mean of its divisors is an integer number (131076414).

Almost surely, 2890486956 is an apocalyptic number.

It is an amenable number.

890486956 is a deficient number, since it is larger than the sum of its proper divisors (682430012).

890486956 is a wasteful number, since it uses less digits than its factorization.

890486956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080688 (or 2080686 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 890486956 is about 29841.0280654002. The cubic root of 890486956 is about 962.0755714797.

The spelling of 890486956 in words is "eight hundred ninety million, four hundred eighty-six thousand, nine hundred fifty-six".

Divisors: 1 2 4 107 214 428 2080577 4161154 8322308 222621739 445243478 890486956