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768401625 = 3532049071
BaseRepresentation
bin101101110011001…
…110000011011001
31222112212211212110
4231303032003121
53033202323000
6204125302533
725020206655
oct5563160331
91875784773
10768401625
11364819572
12195404a49
13c326b524
14740a1a65
15476d4850
hex2dcce0d9

768401625 has 16 divisors (see below), whose sum is σ = 1278620928. Its totient is φ = 409814000.

The previous prime is 768401609. The next prime is 768401639. The reversal of 768401625 is 526104867.

It is not a de Polignac number, because 768401625 - 24 = 768401609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024161 + ... + 1024910.

It is an arithmetic number, because the mean of its divisors is an integer number (79913808).

Almost surely, 2768401625 is an apocalyptic number.

768401625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

768401625 is a deficient number, since it is larger than the sum of its proper divisors (510219303).

768401625 is a wasteful number, since it uses less digits than its factorization.

768401625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049089 (or 2049079 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 768401625 is about 27720.0581709346. The cubic root of 768401625 is about 915.9310002023.

The spelling of 768401625 in words is "seven hundred sixty-eight million, four hundred one thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 2049071 6147213 10245355 30736065 51226775 153680325 256133875 768401625