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68876070 = 2352295869
BaseRepresentation
bin1000001101011…
…11011100100110
311210121021012120
410012233130212
5120113013240
610500130410
71464302604
oct406573446
9153537176
1068876070
113597367a
121b096a06
1311367093
14920c874
1560a7ad0
hex41af726

68876070 has 16 divisors (see below), whose sum is σ = 165302640. Its totient is φ = 18366944.

The previous prime is 68876063. The next prime is 68876081. The reversal of 68876070 is 7067886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147905 + ... + 1147964.

It is an arithmetic number, because the mean of its divisors is an integer number (10331415).

Almost surely, 268876070 is an apocalyptic number.

68876070 is an abundant number, since it is smaller than the sum of its proper divisors (96426570).

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

68876070 is a wasteful number, since it uses less digits than its factorization.

68876070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295879.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 68876070 is about 8299.1608009485. The cubic root of 68876070 is about 409.9108868394.

The spelling of 68876070 in words is "sixty-eight million, eight hundred seventy-six thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 2295869 4591738 6887607 11479345 13775214 22958690 34438035 68876070