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768968872 = 23729473503
BaseRepresentation
bin101101110101011…
…000100010101000
31222120221122222121
4231311120202220
53033324000442
6204145401024
725025061520
oct5565304250
91876848877
10768968872
11365076771
12195639174
13c3409789
14741ac680
1547797967
hex2dd588a8

768968872 has 32 divisors (see below), whose sum is σ = 1704614400. Its totient is φ = 318193344.

The previous prime is 768968839. The next prime is 768968873. The reversal of 768968872 is 278869867.

It is a super-2 number, since 2×7689688722 = 1182626252209904768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 768968872.

It is not an unprimeable number, because it can be changed into a prime (768968873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235128 + ... + 238375.

It is an arithmetic number, because the mean of its divisors is an integer number (53269200).

Almost surely, 2768968872 is an apocalyptic number.

It is an amenable number.

768968872 is an abundant number, since it is smaller than the sum of its proper divisors (935645528).

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

768968872 is a wasteful number, since it uses less digits than its factorization.

768968872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473545 (or 473541 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The square root of 768968872 is about 27730.2879898497. The cubic root of 768968872 is about 916.1563299858.

The spelling of 768968872 in words is "seven hundred sixty-eight million, nine hundred sixty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 473503 947006 1894012 3314521 3788024 6629042 13258084 13731587 26516168 27463174 54926348 96121109 109852696 192242218 384484436 768968872