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78113376 = 2533118219
BaseRepresentation
bin1001010011111…
…10101001100000
312102222120102000
410221332221200
5124444112001
611430124000
71635644535
oct451765140
9172876360
1078113376
1140102810
12221b0600
131324c743
14a534d8c
156ccea86
hex4a7ea60

78113376 has 96 divisors (see below), whose sum is σ = 248572800. Its totient is φ = 23667840.

The previous prime is 78113369. The next prime is 78113393. The reversal of 78113376 is 67331187.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×781133762 = 12203399020234752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 78113376.

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 15 ways as a sum of consecutive naturals, for example, 5395 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (2589300).

Almost surely, 278113376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78113376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124286400).

78113376 is an abundant number, since it is smaller than the sum of its proper divisors (170459424).

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

78113376 is a wasteful number, since it uses less digits than its factorization.

78113376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249 (or 8235 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 78113376 is about 8838.1771876332. The cubic root of 78113376 is about 427.4727837398.

The spelling of 78113376 in words is "seventy-eight million, one hundred thirteen thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 88 96 99 108 132 144 176 198 216 264 288 297 352 396 432 528 594 792 864 1056 1188 1584 2376 3168 4752 8219 9504 16438 24657 32876 49314 65752 73971 90409 98628 131504 147942 180818 197256 221913 263008 271227 295884 361636 394512 443826 542454 591768 723272 789024 813681 887652 1084908 1183536 1446544 1627362 1775304 2169816 2367072 2441043 2893088 3254724 3550608 4339632 4882086 6509448 7101216 8679264 9764172 13018896 19528344 26037792 39056688 78113376