Base | Representation |
---|---|
bin | 10101111101101… |
… | …101010101000101 |
3 | 221200101122012200 |
4 | 111331231111011 |
5 | 1223313413424 |
6 | 100322105113 |
7 | 12063116106 |
oct | 2575552505 |
9 | 850348180 |
10 | 368497989 |
11 | 17a009aa2 |
12 | a34ab199 |
13 | 5b461a62 |
14 | 36d243ad |
15 | 2253e8c9 |
hex | 15f6d545 |
368497989 has 24 divisors (see below), whose sum is σ = 562442400. Its totient is φ = 231841440.
The previous prime is 368497981. The next prime is 368498017. The reversal of 368497989 is 989794863.
368497989 is a `hidden beast` number, since 3 + 68 + 497 + 9 + 89 = 666.
It is not a de Polignac number, because 368497989 - 23 = 368497981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (368497981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41994 + ... + 50004.
It is an arithmetic number, because the mean of its divisors is an integer number (23435100).
Almost surely, 2368497989 is an apocalyptic number.
It is an amenable number.
368497989 is a deficient number, since it is larger than the sum of its proper divisors (193944411).
368497989 is a wasteful number, since it uses less digits than its factorization.
368497989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8305 (or 8302 counting only the distinct ones).
The product of its digits is 23514624, while the sum is 63.
The square root of 368497989 is about 19196.3014406422. The cubic root of 368497989 is about 716.9326745955.
The spelling of 368497989 in words is "three hundred sixty-eight million, four hundred ninety-seven thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •