Base | Representation |
---|---|
bin | 10001110010011… |
… | …11010110010111 |
3 | 101101210022012122 |
4 | 20321033112113 |
5 | 301200112212 |
6 | 22450210155 |
7 | 3461241626 |
oct | 1071172627 |
9 | 341708178 |
10 | 149222807 |
11 | 77261338 |
12 | 41b8395b |
13 | 24bb9226 |
14 | 15b656bd |
15 | d179272 |
hex | 8e4f597 |
149222807 has 2 divisors, whose sum is σ = 149222808. Its totient is φ = 149222806.
The previous prime is 149222783. The next prime is 149222831. The reversal of 149222807 is 708222941.
It is a balanced prime because it is at equal distance from previous prime (149222783) and next prime (149222831).
It is a cyclic number.
It is not a de Polignac number, because 149222807 - 210 = 149221783 is a prime.
It is a super-2 number, since 2×1492228072 = 44534892257918498, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (149222867) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74611403 + 74611404.
It is an arithmetic number, because the mean of its divisors is an integer number (74611404).
Almost surely, 2149222807 is an apocalyptic number.
149222807 is a deficient number, since it is larger than the sum of its proper divisors (1).
149222807 is an equidigital number, since it uses as much as digits as its factorization.
149222807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 149222807 is about 12215.6787367710. The cubic root of 149222807 is about 530.4100386871.
The spelling of 149222807 in words is "one hundred forty-nine million, two hundred twenty-two thousand, eight hundred seven".
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