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764151268 = 221491282133
BaseRepresentation
bin101101100011000…
…000010111100100
31222020212220110211
4231203000113210
53031110320033
6203454225204
724636115156
oct5543002744
91866786424
10764151268
11362386181
12193ab5204
13c2410a1a
14736b6ad6
15471452cd
hex2d8c05e4

764151268 has 12 divisors (see below), whose sum is σ = 1346240700. Its totient is φ = 379511072.

The previous prime is 764151263. The next prime is 764151277. The reversal of 764151268 is 862151467.

It can be written as a sum of positive squares in 2 ways, for example, as 139051264 + 625100004 = 11792^2 + 25002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 764151268.

It is not an unprimeable number, because it can be changed into a prime (764151263) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 640471 + ... + 641662.

It is an arithmetic number, because the mean of its divisors is an integer number (112186725).

Almost surely, 2764151268 is an apocalyptic number.

It is an amenable number.

764151268 is a deficient number, since it is larger than the sum of its proper divisors (582089432).

764151268 is a wasteful number, since it uses less digits than its factorization.

764151268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282286 (or 1282284 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 764151268 is about 27643.2861288234. The cubic root of 764151268 is about 914.2390751460.

The spelling of 764151268 in words is "seven hundred sixty-four million, one hundred fifty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 149 298 596 1282133 2564266 5128532 191037817 382075634 764151268