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797964761 = 1172542251
BaseRepresentation
bin101111100011111…
…111100111011001
32001121111210212102
4233203333213121
53113234333021
6211103053145
725526405606
oct5743774731
92047453772
10797964761
1137a480810
121a32a11b5
13c941c6c9
1477d996ad
154a0c400b
hex2f8ff9d9

797964761 has 4 divisors (see below), whose sum is σ = 870507024. Its totient is φ = 725422500.

The previous prime is 797964757. The next prime is 797964779. The reversal of 797964761 is 167469797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 797964761 - 22 = 797964757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 797964697 and 797964706.

It is not an unprimeable number, because it can be changed into a prime (797964061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36271115 + ... + 36271136.

It is an arithmetic number, because the mean of its divisors is an integer number (217626756).

Almost surely, 2797964761 is an apocalyptic number.

It is an amenable number.

797964761 is a deficient number, since it is larger than the sum of its proper divisors (72542263).

797964761 is a wasteful number, since it uses less digits than its factorization.

797964761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72542262.

The product of its digits is 4000752, while the sum is 56.

The square root of 797964761 is about 28248.2700532263. The cubic root of 797964761 is about 927.5298696435.

The spelling of 797964761 in words is "seven hundred ninety-seven million, nine hundred sixty-four thousand, seven hundred sixty-one".

Divisors: 1 11 72542251 797964761