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768725753 = 6911112483
BaseRepresentation
bin101101110100011…
…101001011111001
31222120111022111012
4231310131023321
53033243211003
6204140243305
725023026645
oct5564351371
91876438435
10768725753
11364a20044
12195540535
13c3352c13
1474147c25
154774a8d8
hex2dd1d2f9

768725753 has 4 divisors (see below), whose sum is σ = 769838928. Its totient is φ = 767612580.

The previous prime is 768725743. The next prime is 768725759. The reversal of 768725753 is 357527867.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 768725753 - 210 = 768724729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768725759) 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, 555551 + ... + 556932.

It is an arithmetic number, because the mean of its divisors is an integer number (192459732).

Almost surely, 2768725753 is an apocalyptic number.

It is an amenable number.

768725753 is a deficient number, since it is larger than the sum of its proper divisors (1113175).

768725753 is a wasteful number, since it uses less digits than its factorization.

768725753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113174.

The product of its digits is 2469600, while the sum is 50.

The square root of 768725753 is about 27725.9040069030. The cubic root of 768725753 is about 916.0597684315.

The spelling of 768725753 in words is "seven hundred sixty-eight million, seven hundred twenty-five thousand, seven hundred fifty-three".

Divisors: 1 691 1112483 768725753