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7668768 = 2531737127
BaseRepresentation
bin11101010000010000100000
3112102121120110
4131100100200
53430400033
6432211320
7122116632
oct35202040
915377513
107668768
114368728
122699b40
131786743
141038a52
15a17363
hex750420

7668768 has 96 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 2322432.

The previous prime is 7668757. The next prime is 7668823. The reversal of 7668768 is 8678667.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60321 + ... + 60447.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

Almost surely, 27668768 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 7668768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11031552).

7668768 is an abundant number, since it is smaller than the sum of its proper divisors (14394336).

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

7668768 is a wasteful number, since it uses less digits than its factorization.

7668768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 186 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 7668768 is about 2769.2540511842. The cubic root of 7668768 is about 197.2007367485.

The spelling of 7668768 in words is "seven million, six hundred sixty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 37 48 51 68 74 96 102 111 127 136 148 204 222 254 272 296 381 408 444 508 544 592 629 762 816 888 1016 1184 1258 1524 1632 1776 1887 2032 2159 2516 3048 3552 3774 4064 4318 4699 5032 6096 6477 7548 8636 9398 10064 12192 12954 14097 15096 17272 18796 20128 25908 28194 30192 34544 37592 51816 56388 60384 69088 75184 79883 103632 112776 150368 159766 207264 225552 239649 319532 451104 479298 639064 958596 1278128 1917192 2556256 3834384 7668768