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70717371 = 323572457
BaseRepresentation
bin1000011011100…
…00111110111011
311221001210222220
410031300332323
5121100423441
611003415123
71516042044
oct415607673
9157053886
1070717371
1136a1100a
121b8244a3
13118601ca
14956b8cb
15631d466
hex4370fbb

70717371 has 4 divisors (see below), whose sum is σ = 94289832. Its totient is φ = 47144912.

The previous prime is 70717369. The next prime is 70717379. The reversal of 70717371 is 17371707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17371707 = 35790569.

It is a cyclic number.

It is not a de Polignac number, because 70717371 - 21 = 70717369 is a prime.

It is a super-2 number, since 2×707173712 = 10001893122303282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70717379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11786226 + ... + 11786231.

It is an arithmetic number, because the mean of its divisors is an integer number (23572458).

Almost surely, 270717371 is an apocalyptic number.

70717371 is a deficient number, since it is larger than the sum of its proper divisors (23572461).

70717371 is a wasteful number, since it uses less digits than its factorization.

70717371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23572460.

The product of its (nonzero) digits is 7203, while the sum is 33.

The square root of 70717371 is about 8409.3621042265. The cubic root of 70717371 is about 413.5316005243.

The spelling of 70717371 in words is "seventy million, seven hundred seventeen thousand, three hundred seventy-one".

Divisors: 1 3 23572457 70717371