Base | Representation |
---|---|
bin | 101010011101100… |
… | …001000100010010 |
3 | 1211122110200121000 |
4 | 222131201010102 |
5 | 2424332140230 |
6 | 154404442430 |
7 | 23440064430 |
oct | 5235410422 |
9 | 1748420530 |
10 | 712380690 |
11 | 33613617a |
12 | 17a6a9416 |
13 | b4785748 |
14 | 6a87bd50 |
15 | 4281ab60 |
hex | 2a761112 |
712380690 has 64 divisors (see below), whose sum is σ = 2171070720. Its totient is φ = 162829440.
The previous prime is 712380689. The next prime is 712380709. The reversal of 712380690 is 96083217.
It is a super-2 number, since 2×7123806902 = 1014972494969752200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186571 + ... + 190350.
It is an arithmetic number, because the mean of its divisors is an integer number (33922980).
Almost surely, 2712380690 is an apocalyptic number.
712380690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
712380690 is an abundant number, since it is smaller than the sum of its proper divisors (1458690030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
712380690 is a wasteful number, since it uses less digits than its factorization.
712380690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376944 (or 376938 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 712380690 is about 26690.4606554477. The cubic root of 712380690 is about 893.1081371856.
The spelling of 712380690 in words is "seven hundred twelve million, three hundred eighty thousand, six hundred ninety".
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