Base | Representation |
---|---|
bin | 10101111100010… |
… | …110001010101001 |
3 | 221122201111110201 |
4 | 111330112022221 |
5 | 1223221002334 |
6 | 100310312201 |
7 | 12060101200 |
oct | 2574261251 |
9 | 848644421 |
10 | 368140969 |
11 | 179895839 |
12 | a3358661 |
13 | 5b3683c1 |
14 | 36c70237 |
15 | 224bdc14 |
hex | 15f162a9 |
368140969 has 9 divisors (see below), whose sum is σ = 428401911. Its totient is φ = 315434280.
The previous prime is 368140961. The next prime is 368140991. The reversal of 368140969 is 969041863.
The square root of 368140969 is 19187.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 108930969 + 259210000 = 10437^2 + 16100^2 .
It is not a de Polignac number, because 368140969 - 23 = 368140961 is a prime.
It is a super-2 number, since 2×3681409692 = 271055546112517922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (368140961) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 132939 + ... + 135679.
Almost surely, 2368140969 is an apocalyptic number.
368140969 is the 19187-th square number.
368140969 is the 9594-th centered octagonal number.
It is an amenable number.
368140969 is a deficient number, since it is larger than the sum of its proper divisors (60260942).
368140969 is an frugal number, since it uses more digits than its factorization.
368140969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5496 (or 2748 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 46.
The cubic root of 368140969 is about 716.7010659049.
The spelling of 368140969 in words is "three hundred sixty-eight million, one hundred forty thousand, nine hundred sixty-nine".
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