Base | Representation |
---|---|
bin | 10101111110111… |
… | …001011000010010 |
3 | 221200222110111202 |
4 | 111332321120102 |
5 | 1223403400430 |
6 | 100332511202 |
7 | 12065554220 |
oct | 2576713022 |
9 | 850873452 |
10 | 368809490 |
11 | 17a202035 |
12 | a361b502 |
13 | 5b54078a |
14 | 36da5b10 |
15 | 225a1d45 |
hex | 15fb9612 |
368809490 has 32 divisors (see below), whose sum is σ = 762652800. Its totient is φ = 125789184.
The previous prime is 368809489. The next prime is 368809499. The reversal of 368809490 is 94908863.
It is not an unprimeable number, because it can be changed into a prime (368809499) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140 + ... + 27159.
It is an arithmetic number, because the mean of its divisors is an integer number (23832900).
Almost surely, 2368809490 is an apocalyptic number.
368809490 is an abundant number, since it is smaller than the sum of its proper divisors (393843310).
368809490 is a wasteful number, since it uses less digits than its factorization.
368809490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27506.
The product of its (nonzero) digits is 373248, while the sum is 47.
The square root of 368809490 is about 19204.4132948653. The cubic root of 368809490 is about 717.1346316878.
The spelling of 368809490 in words is "three hundred sixty-eight million, eight hundred nine thousand, four hundred ninety".
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