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78716316 = 223719313743
BaseRepresentation
bin1001011000100…
…01110110011100
312111010012111010
410230101312130
5130122410231
611451055220
71644035430
oct454216634
9174105433
1078716316
1140484808
1222441510
1313401003
14a6509c0
156d9d546
hex4b11d9c

78716316 has 192 divisors, whose sum is σ = 239697920. Its totient is φ = 19595520.

The previous prime is 78716299. The next prime is 78716321. The reversal of 78716316 is 61361787.

It is a super-2 number, since 2×787163162 = 12392516809223712, which contains 22 as substring.

Its product of digits (42336) is a multiple of the sum of its prime factors (144).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1830591 + ... + 1830633.

Almost surely, 278716316 is an apocalyptic number.

78716316 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78716316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119848960).

78716316 is an abundant number, since it is smaller than the sum of its proper divisors (160981604).

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

78716316 is a wasteful number, since it uses less digits than its factorization.

78716316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 78716316 is about 8872.2215932651. The cubic root of 78716316 is about 428.5698221527.

The spelling of 78716316 in words is "seventy-eight million, seven hundred sixteen thousand, three hundred sixteen".