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764068746 = 23718192113
BaseRepresentation
bin101101100010101…
…100001110001010
31222020201201021110
4231202230032022
53031100144441
6203452351150
724635322450
oct5542541612
91866651243
10764068746
1136232a181
12193a754b6
13c23b22ac
14736949d0
154712ab16
hex2d8ac38a

764068746 has 16 divisors (see below), whose sum is σ = 1746442944. Its totient is φ = 218305344.

The previous prime is 764068741. The next prime is 764068777. The reversal of 764068746 is 647860467.

It is a happy number.

It is a super-2 number, since 2×7640687462 = 1167602097228025032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764068695 and 764068704.

It is not an unprimeable number, because it can be changed into a prime (764068741) 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, 9096015 + ... + 9096098.

It is an arithmetic number, because the mean of its divisors is an integer number (109152684).

Almost surely, 2764068746 is an apocalyptic number.

764068746 is an abundant number, since it is smaller than the sum of its proper divisors (982374198).

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

764068746 is a wasteful number, since it uses less digits than its factorization.

764068746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192125.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 764068746 is about 27641.7934656925. The cubic root of 764068746 is about 914.2061638818.

The spelling of 764068746 in words is "seven hundred sixty-four million, sixty-eight thousand, seven hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 18192113 36384226 54576339 109152678 127344791 254689582 382034373 764068746