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708688061 = 17148927997
BaseRepresentation
bin101010001111011…
…011100010111101
31211101112002020222
4222033123202331
52422411004221
6154153351125
723363514644
oct5217334275
91741462228
10708688061
11334043914
121794084a5
13b3a91a63
146a19a35b
154233b9ab
hex2a3db8bd

708688061 has 8 divisors (see below), whose sum is σ = 750906360. Its totient is φ = 666528768.

The previous prime is 708688039. The next prime is 708688063. The reversal of 708688061 is 160886807.

It can be written as a sum of positive squares in 4 ways, for example, as 263055961 + 445632100 = 16219^2 + 21110^2 .

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 708688061 - 218 = 708425917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708688063) 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, 11315 + ... + 39311.

It is an arithmetic number, because the mean of its divisors is an integer number (93863295).

Almost surely, 2708688061 is an apocalyptic number.

It is an amenable number.

708688061 is a deficient number, since it is larger than the sum of its proper divisors (42218299).

708688061 is a wasteful number, since it uses less digits than its factorization.

708688061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29503.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 708688061 is about 26621.1957094342. The cubic root of 708688061 is about 891.5623196300.

The spelling of 708688061 in words is "seven hundred eight million, six hundred eighty-eight thousand, sixty-one".

Divisors: 1 17 1489 25313 27997 475949 41687533 708688061