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768375978 = 23128062663
BaseRepresentation
bin101101110011000…
…111110010101010
31222112211112200120
4231303013302222
53033201012403
6204124544110
725020042126
oct5563076252
91875745616
10768375978
11364801277
121953b2036
13c325c956
1474096586
15476cbe53
hex2dcc7caa

768375978 has 8 divisors (see below), whose sum is σ = 1536751968. Its totient is φ = 256125324.

The previous prime is 768375977. The next prime is 768375997. The reversal of 768375978 is 879573867.

It is a sphenic number, since it is the product of 3 distinct primes.

768375978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (768375977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64031326 + ... + 64031337.

It is an arithmetic number, because the mean of its divisors is an integer number (192093996).

Almost surely, 2768375978 is an apocalyptic number.

768375978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

768375978 is a wasteful number, since it uses less digits than its factorization.

768375978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128062668.

The product of its digits is 17781120, while the sum is 60.

The square root of 768375978 is about 27719.5955598201. The cubic root of 768375978 is about 915.9208097225.

The spelling of 768375978 in words is "seven hundred sixty-eight million, three hundred seventy-five thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 128062663 256125326 384187989 768375978