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768745930 = 25179429467
BaseRepresentation
bin101101110100100…
…010000111001010
31222120112100011111
4231310202013022
53033244332210
6204140520534
725023142531
oct5564420712
91876470144
10768745930
11364a34217
1219555014a
13c335c164
1474151318
154775188a
hex2dd221ca

768745930 has 16 divisors (see below), whose sum is σ = 1391476320. Its totient is φ = 305779792.

The previous prime is 768745889. The next prime is 768745931. The reversal of 768745930 is 39547867.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (768745931) 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, 212944 + ... + 216523.

It is an arithmetic number, because the mean of its divisors is an integer number (86967270).

Almost surely, 2768745930 is an apocalyptic number.

768745930 is a deficient number, since it is larger than the sum of its proper divisors (622730390).

768745930 is a wasteful number, since it uses less digits than its factorization.

768745930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429653.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 768745930 is about 27726.2678700181. The cubic root of 768745930 is about 916.0677830697.

The spelling of 768745930 in words is "seven hundred sixty-eight million, seven hundred forty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 179 358 895 1790 429467 858934 2147335 4294670 76874593 153749186 384372965 768745930