Base | Representation |
---|---|
bin | 10001110010100… |
… | …01110010000111 |
3 | 101101210210212211 |
4 | 20321101302013 |
5 | 301200422100 |
6 | 22450324251 |
7 | 3461312656 |
oct | 1071216207 |
9 | 341723784 |
10 | 149232775 |
11 | 7726887a |
12 | 41b89687 |
13 | 24bc0923 |
14 | 15b6919d |
15 | d17c1ba |
hex | 8e51c87 |
149232775 has 12 divisors (see below), whose sum is σ = 185760432. Its totient is φ = 118927040.
The previous prime is 149232773. The next prime is 149232781. The reversal of 149232775 is 577232941.
It is not a de Polignac number, because 149232775 - 21 = 149232773 is a prime.
It is a super-2 number, since 2×1492327752 = 44540842268401250, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149232773) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4774 + ... + 17923.
It is an arithmetic number, because the mean of its divisors is an integer number (15480036).
Almost surely, 2149232775 is an apocalyptic number.
149232775 is a deficient number, since it is larger than the sum of its proper divisors (36527657).
149232775 is a wasteful number, since it uses less digits than its factorization.
149232775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22970 (or 22965 counting only the distinct ones).
The product of its digits is 105840, while the sum is 40.
The square root of 149232775 is about 12216.0867302095. The cubic root of 149232775 is about 530.4218487887.
The spelling of 149232775 in words is "one hundred forty-nine million, two hundred thirty-two thousand, seven hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •