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289019424 = 2536774447
BaseRepresentation
bin10001001110100…
…001011000100000
3202010211201010010
4101032201120200
51042442110144
644402404520
710106424141
oct2116413040
9663751103
10289019424
11139164631
1280960740
1347b54b15
142a555ac8
151a5905b9
hex113a1620

289019424 has 48 divisors (see below), whose sum is σ = 759967488. Its totient is φ = 96175872.

The previous prime is 289019413. The next prime is 289019443. The reversal of 289019424 is 424910982.

It is a tau number, because it is divible by the number of its divisors (48).

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, 62769 + ... + 67215.

It is an arithmetic number, because the mean of its divisors is an integer number (15832656).

Almost surely, 2289019424 is an apocalyptic number.

289019424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

289019424 is an abundant number, since it is smaller than the sum of its proper divisors (470948064).

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

289019424 is a wasteful number, since it uses less digits than its factorization.

289019424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 289019424 is about 17000.5712845186. The cubic root of 289019424 is about 661.1637136896.

The spelling of 289019424 in words is "two hundred eighty-nine million, nineteen thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 677 1354 2031 2708 4062 4447 5416 8124 8894 10832 13341 16248 17788 21664 26682 32496 35576 53364 64992 71152 106728 142304 213456 426912 3010619 6021238 9031857 12042476 18063714 24084952 36127428 48169904 72254856 96339808 144509712 289019424