Base | Representation |
---|---|
bin | 10001110100101… |
… | …10101000111111 |
3 | 101102100010202202 |
4 | 20322112220333 |
5 | 301233433230 |
6 | 22500342115 |
7 | 3463566152 |
oct | 1072265077 |
9 | 342303682 |
10 | 149514815 |
11 | 7744076a |
12 | 420a493b |
13 | 24c8c108 |
14 | 15bddc99 |
15 | d1d5a45 |
hex | 8e96a3f |
149514815 has 8 divisors (see below), whose sum is σ = 180169920. Its totient is φ = 119110432.
The previous prime is 149514803. The next prime is 149514821. The reversal of 149514815 is 518415941.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 149514815 - 26 = 149514751 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61364 + ... + 63753.
It is an arithmetic number, because the mean of its divisors is an integer number (22521240).
Almost surely, 2149514815 is an apocalyptic number.
149514815 is a deficient number, since it is larger than the sum of its proper divisors (30655105).
149514815 is a wasteful number, since it uses less digits than its factorization.
149514815 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125361.
The product of its digits is 28800, while the sum is 38.
The square root of 149514815 is about 12227.6250760317. The cubic root of 149514815 is about 530.7557924823.
The spelling of 149514815 in words is "one hundred forty-nine million, five hundred fourteen thousand, eight hundred fifteen".
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