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711228680 = 23517780717
BaseRepresentation
bin101010011001000…
…111110100001000
31211120022011022222
4222121013310020
52424033304210
6154324033212
723424226001
oct5231076410
91746264288
10711228680
113355196a8
1217a232808
13b4471296
146a65c1a8
154268e655
hex2a647d08

711228680 has 16 divisors (see below), whose sum is σ = 1600264620. Its totient is φ = 284491456.

The previous prime is 711228673. The next prime is 711228697. The reversal of 711228680 is 86822117.

It can be written as a sum of positive squares in 2 ways, for example, as 689902756 + 21325924 = 26266^2 + 4618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 711228680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8890319 + ... + 8890398.

Almost surely, 2711228680 is an apocalyptic number.

It is an amenable number.

711228680 is an abundant number, since it is smaller than the sum of its proper divisors (889035940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711228680 is a wasteful number, since it uses less digits than its factorization.

711228680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780728 (or 17780724 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 711228680 is about 26668.8709922261. The cubic root of 711228680 is about 892.6264543707.

The spelling of 711228680 in words is "seven hundred eleven million, two hundred twenty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 17780717 35561434 71122868 88903585 142245736 177807170 355614340 711228680