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679707068 = 22457371831
BaseRepresentation
bin101000100000111…
…000000110111100
31202100222200210212
4220200320012330
52343001111233
6151240251552
722562262155
oct5040700674
91670880725
10679707068
11319749a87
1216b770bb8
13aaa85841
14663b492c
153ea14a48
hex288381bc

679707068 has 12 divisors (see below), whose sum is σ = 1192093392. Its totient is φ = 339108960.

The previous prime is 679707029. The next prime is 679707071. The reversal of 679707068 is 860707976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184088 + ... + 187743.

It is an arithmetic number, because the mean of its divisors is an integer number (99341116).

Almost surely, 2679707068 is an apocalyptic number.

It is an amenable number.

679707068 is a deficient number, since it is larger than the sum of its proper divisors (512386324).

679707068 is a wasteful number, since it uses less digits than its factorization.

679707068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372292 (or 372290 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 679707068 is about 26071.1923010821. The cubic root of 679707068 is about 879.2396445200.

The spelling of 679707068 in words is "six hundred seventy-nine million, seven hundred seven thousand, sixty-eight".

Divisors: 1 2 4 457 914 1828 371831 743662 1487324 169926767 339853534 679707068