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70680755 = 543332647
BaseRepresentation
bin1000011011010…
…00000010110011
311220222221202202
410031220002303
5121043241010
611002533415
71515530225
oct415500263
9156887682
1070680755
1136996552
121b80726b
1311849642
14955c415
1563126a5
hex43680b3

70680755 has 8 divisors (see below), whose sum is σ = 85015392. Its totient is φ = 56412288.

The previous prime is 70680733. The next prime is 70680791. The reversal of 70680755 is 55708607.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70680755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14159 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (10626924).

Almost surely, 270680755 is an apocalyptic number.

70680755 is a deficient number, since it is larger than the sum of its proper divisors (14334637).

70680755 is a wasteful number, since it uses less digits than its factorization.

70680755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33085.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 70680755 is about 8407.1847249837. The cubic root of 70680755 is about 413.4602154836.

The spelling of 70680755 in words is "seventy million, six hundred eighty thousand, seven hundred fifty-five".

Divisors: 1 5 433 2165 32647 163235 14136151 70680755