Base | Representation |
---|---|
bin | 10001110001111… |
… | …10001100010010 |
3 | 101101122201210210 |
4 | 20320332030102 |
5 | 301140340110 |
6 | 22444504550 |
7 | 3460530012 |
oct | 1070761422 |
9 | 341581723 |
10 | 149152530 |
11 | 7721355a |
12 | 41b4b156 |
13 | 24b93247 |
14 | 15b47c42 |
15 | d163520 |
hex | 8e3e312 |
149152530 has 16 divisors (see below), whose sum is σ = 357966144. Its totient is φ = 39774000.
The previous prime is 149152517. The next prime is 149152537. The reversal of 149152530 is 35251941.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4971751 = 149152530 / (1 + 4 + 9 + 1 + 5 + 2 + 5 + 3 + 0).
It is not an unprimeable number, because it can be changed into a prime (149152537) 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 7 ways as a sum of consecutive naturals, for example, 2485846 + ... + 2485905.
It is an arithmetic number, because the mean of its divisors is an integer number (22372884).
Almost surely, 2149152530 is an apocalyptic number.
149152530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149152530 is an abundant number, since it is smaller than the sum of its proper divisors (208813614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149152530 is a wasteful number, since it uses less digits than its factorization.
149152530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4971761.
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 149152530 is about 12212.8018898204. The cubic root of 149152530 is about 530.3267594613.
The spelling of 149152530 in words is "one hundred forty-nine million, one hundred fifty-two thousand, five hundred thirty".
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