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78466325 = 527448379
BaseRepresentation
bin1001010110101…
…00110100010101
312110122111120012
410223110310111
5130041410300
611441450005
71641644540
oct453246425
9173574505
1078466325
1140323a03
1222340905
13133442a2
14a5c7857
156d4e435
hex4ad4d15

78466325 has 12 divisors (see below), whose sum is σ = 111198240. Its totient is φ = 53805360.

The previous prime is 78466309. The next prime is 78466337. The reversal of 78466325 is 52366487.

It is a happy number.

It is not a de Polignac number, because 78466325 - 24 = 78466309 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 224015 + ... + 224364.

It is an arithmetic number, because the mean of its divisors is an integer number (9266520).

Almost surely, 278466325 is an apocalyptic number.

It is an amenable number.

78466325 is a deficient number, since it is larger than the sum of its proper divisors (32731915).

78466325 is a wasteful number, since it uses less digits than its factorization.

78466325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448396 (or 448391 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 78466325 is about 8858.1219792911. The cubic root of 78466325 is about 428.1156502478.

The spelling of 78466325 in words is "seventy-eight million, four hundred sixty-six thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 448379 2241895 3138653 11209475 15693265 78466325