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706881057 = 32310244653
BaseRepresentation
bin101010001000100…
…010011000100001
31211021010021111220
4222020202120201
52421430143212
6154050525253
723342250501
oct5210423041
91737107456
10706881057
1133301a223
12178896829
13b35ab41c
1469c49a01
15420d138c
hex2a222621

706881057 has 8 divisors (see below), whose sum is σ = 983486784. Its totient is φ = 450764688.

The previous prime is 706881031. The next prime is 706881059. The reversal of 706881057 is 750188607.

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

It is not a de Polignac number, because 706881057 - 27 = 706880929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706881059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5122258 + ... + 5122395.

It is an arithmetic number, because the mean of its divisors is an integer number (122935848).

Almost surely, 2706881057 is an apocalyptic number.

It is an amenable number.

706881057 is a deficient number, since it is larger than the sum of its proper divisors (276605727).

706881057 is a wasteful number, since it uses less digits than its factorization.

706881057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244679.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 706881057 is about 26587.2348505820. The cubic root of 706881057 is about 890.8039098333.

The spelling of 706881057 in words is "seven hundred six million, eight hundred eighty-one thousand, fifty-seven".

Divisors: 1 3 23 69 10244653 30733959 235627019 706881057