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289020036 = 22397248299
BaseRepresentation
bin10001001110100…
…001100010000100
3202010211201221210
4101032201202010
51042442120121
644402411420
710106426004
oct2116414204
9663751853
10289020036
11139165038
1280960b70
1347b55196
142a556004
151a590876
hex113a1884

289020036 has 24 divisors (see below), whose sum is σ = 681335200. Its totient is φ = 95346432.

The previous prime is 289020007. The next prime is 289020041. The reversal of 289020036 is 630020982.

It is a junction number, because it is equal to n+sod(n) for n = 289019985 and 289020012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122986 + ... + 125313.

Almost surely, 2289020036 is an apocalyptic number.

It is an amenable number.

289020036 is an abundant number, since it is smaller than the sum of its proper divisors (392315164).

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

289020036 is a wasteful number, since it uses less digits than its factorization.

289020036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248403 (or 248401 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 289020036 is about 17000.5892839042. The cubic root of 289020036 is about 661.1641803617.

The spelling of 289020036 in words is "two hundred eighty-nine million, twenty thousand, thirty-six".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 248299 496598 744897 993196 1489794 2979588 24085003 48170006 72255009 96340012 144510018 289020036