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78925466 = 2231715771
BaseRepresentation
bin1001011010001…
…00111010011010
312111111211101102
410231010322122
5130201103331
611455351402
71645566254
oct455047232
9174454342
1078925466
1140607964
1222522562
1313475279
14a6a6cd4
156de04cb
hex4b44e9a

78925466 has 8 divisors (see below), whose sum is σ = 123535584. Its totient is φ = 37746940.

The previous prime is 78925463. The next prime is 78925481. The reversal of 78925466 is 66452987.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78925466.

It is not an unprimeable number, because it can be changed into a prime (78925463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857840 + ... + 857931.

It is an arithmetic number, because the mean of its divisors is an integer number (15441948).

Almost surely, 278925466 is an apocalyptic number.

78925466 is a deficient number, since it is larger than the sum of its proper divisors (44610118).

78925466 is a wasteful number, since it uses less digits than its factorization.

78925466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715796.

The product of its digits is 725760, while the sum is 47.

The square root of 78925466 is about 8884.0005628095. Note that the first 3 decimals coincide. The cubic root of 78925466 is about 428.9490578372.

The spelling of 78925466 in words is "seventy-eight million, nine hundred twenty-five thousand, four hundred sixty-six".

Divisors: 1 2 23 46 1715771 3431542 39462733 78925466