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78982168 = 2329273373
BaseRepresentation
bin1001011010100…
…10110000011000
312111121201011111
410231102300120
5130204412133
611500510104
71646223466
oct455226030
9174551144
1078982168
1140646521
122254b334
1313495015
14a6bd836
156e021cd
hex4b52c18

78982168 has 16 divisors (see below), whose sum is σ = 148186080. Its totient is φ = 39465888.

The previous prime is 78982159. The next prime is 78982177. The reversal of 78982168 is 86128987.

It is an interprime number because it is at equal distance from previous prime (78982159) and next prime (78982177).

It is a congruent number.

It is an unprimeable number.

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, 21730 + ... + 25102.

It is an arithmetic number, because the mean of its divisors is an integer number (9261630).

Almost surely, 278982168 is an apocalyptic number.

It is an amenable number.

78982168 is a deficient number, since it is larger than the sum of its proper divisors (69203912).

78982168 is a wasteful number, since it uses less digits than its factorization.

78982168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306 (or 6302 counting only the distinct ones).

The product of its digits is 387072, while the sum is 49.

The square root of 78982168 is about 8887.1912323298. The cubic root of 78982168 is about 429.0517557726.

It can be divided in two parts, 78982 and 168, that multiplied together give a triangular number (13268976 = T5151).

The spelling of 78982168 in words is "seventy-eight million, nine hundred eighty-two thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 2927 3373 5854 6746 11708 13492 23416 26984 9872771 19745542 39491084 78982168