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768327672 = 233730714897
BaseRepresentation
bin101101110010111…
…011111111111000
31222112202002102110
4231302323333320
53033142441142
6204123532320
725016451240
oct5562737770
91875662373
10768327672
11364778a52
1219538a0a0
13c3243978
1474082b20
15476bc99c
hex2dcbbff8

768327672 has 64 divisors (see below), whose sum is σ = 2202520320. Its totient is φ = 218792448.

The previous prime is 768327649. The next prime is 768327787. The reversal of 768327672 is 276723867.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44128 + ... + 59024.

It is an arithmetic number, because the mean of its divisors is an integer number (34414380).

Almost surely, 2768327672 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 768327672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101260160).

768327672 is an abundant number, since it is smaller than the sum of its proper divisors (1434192648).

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

768327672 is a wasteful number, since it uses less digits than its factorization.

768327672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220 (or 15216 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

The square root of 768327672 is about 27718.7242130658. The cubic root of 768327672 is about 915.9016153875.

The spelling of 768327672 in words is "seven hundred sixty-eight million, three hundred twenty-seven thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 307 614 921 1228 1842 2149 2456 3684 4298 6447 7368 8596 12894 14897 17192 25788 29794 44691 51576 59588 89382 104279 119176 178764 208558 312837 357528 417116 625674 834232 1251348 2502696 4573379 9146758 13720137 18293516 27440274 32013653 36587032 54880548 64027306 96040959 109761096 128054612 192081918 256109224 384163836 768327672