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78725068 = 2219681267
BaseRepresentation
bin1001011000100…
…11111111001100
312111010122111021
410230103333030
5130123200233
611451203524
71644103102
oct454237714
9174118437
1078725068
1140490344
12224465a4
1313404ca6
14a653c72
156da0e2d
hex4b13fcc

78725068 has 6 divisors (see below), whose sum is σ = 137768876. Its totient is φ = 39362532.

The previous prime is 78725051. The next prime is 78725071. The reversal of 78725068 is 86052787.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9840630 + ... + 9840637.

Almost surely, 278725068 is an apocalyptic number.

It is an amenable number.

78725068 is a deficient number, since it is larger than the sum of its proper divisors (59043808).

78725068 is a wasteful number, since it uses less digits than its factorization.

78725068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19681271 (or 19681269 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 78725068 is about 8872.7148043877. The cubic root of 78725068 is about 428.5857049424.

The spelling of 78725068 in words is "seventy-eight million, seven hundred twenty-five thousand, sixty-eight".

Divisors: 1 2 4 19681267 39362534 78725068