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70699705 = 5121311657
BaseRepresentation
bin1000011011011…
…00101010111001
311221000220202121
410031230222321
5121044342310
611003201241
71515636406
oct415545271
9157026677
1070699705
11369a980a
121b816221
131185515b
1495652ad
1563180da
hex436cab9

70699705 has 8 divisors (see below), whose sum is σ = 84916872. Its totient is φ = 56508288.

The previous prime is 70699691. The next prime is 70699751. The reversal of 70699705 is 50799607.

It can be written as a sum of positive squares in 4 ways, for example, as 1610361 + 69089344 = 1269^2 + 8312^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70699705 - 223 = 62311097 is a prime.

It is a Duffinian 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, 237 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (10614609).

Almost surely, 270699705 is an apocalyptic number.

It is an amenable number.

70699705 is a deficient number, since it is larger than the sum of its proper divisors (14217167).

70699705 is a wasteful number, since it uses less digits than its factorization.

70699705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 70699705 is about 8408.3116616833. The cubic root of 70699705 is about 413.4971626977.

The spelling of 70699705 in words is "seventy million, six hundred ninety-nine thousand, seven hundred five".

Divisors: 1 5 1213 6065 11657 58285 14139941 70699705