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168868304 = 2411959479
BaseRepresentation
bin10100001000010…
…11100111010000
3102202202101202122
422010023213100
5321212241204
624431233412
74120233263
oct1204134720
9382671678
10168868304
118735a290
1248678868
1328ca7197
14185dacda
15ec5a0be
hexa10b9d0

168868304 has 20 divisors (see below), whose sum is σ = 356926560. Its totient is φ = 76758240.

The previous prime is 168868303. The next prime is 168868307. The reversal of 168868304 is 403868861.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168868303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479564 + ... + 479915.

It is an arithmetic number, because the mean of its divisors is an integer number (17846328).

Almost surely, 2168868304 is an apocalyptic number.

It is an amenable number.

168868304 is an abundant number, since it is smaller than the sum of its proper divisors (188058256).

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

168868304 is a wasteful number, since it uses less digits than its factorization.

168868304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959498 (or 959492 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 168868304 is about 12994.9337820552. The cubic root of 168868304 is about 552.7338311229.

The spelling of 168868304 in words is "one hundred sixty-eight million, eight hundred sixty-eight thousand, three hundred four".

Divisors: 1 2 4 8 11 16 22 44 88 176 959479 1918958 3837916 7675832 10554269 15351664 21108538 42217076 84434152 168868304