Base | Representation |
---|---|
bin | 10001110101100… |
… | …10110100111101 |
3 | 101102120000010211 |
4 | 20322302310331 |
5 | 301301132034 |
6 | 22503032421 |
7 | 3464556565 |
oct | 1072626475 |
9 | 342500124 |
10 | 149630269 |
11 | 7750a488 |
12 | 4213b711 |
13 | 24ccc829 |
14 | 15c2dda5 |
15 | d209d64 |
hex | 8eb2d3d |
149630269 has 4 divisors (see below), whose sum is σ = 149689980. Its totient is φ = 149570560.
The previous prime is 149630231. The next prime is 149630287. The reversal of 149630269 is 962036941.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 95062500 + 54567769 = 9750^2 + 7387^2 .
It is a cyclic number.
It is not a de Polignac number, because 149630269 - 211 = 149628221 is a prime.
It is a super-2 number, since 2×1496302692 = 44778434802024722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149630869) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25924 + ... + 31165.
It is an arithmetic number, because the mean of its divisors is an integer number (37422495).
Almost surely, 2149630269 is an apocalyptic number.
It is an amenable number.
149630269 is a deficient number, since it is larger than the sum of its proper divisors (59711).
149630269 is an equidigital number, since it uses as much as digits as its factorization.
149630269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59710.
The product of its (nonzero) digits is 69984, while the sum is 40.
The square root of 149630269 is about 12232.3451962410. The cubic root of 149630269 is about 530.8923722883.
The spelling of 149630269 in words is "one hundred forty-nine million, six hundred thirty thousand, two hundred sixty-nine".
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