Base | Representation |
---|---|
bin | 10001110000111… |
… | …00010111000101 |
3 | 101101101200201110 |
4 | 20320130113011 |
5 | 301121421312 |
6 | 22441515233 |
7 | 3456412011 |
oct | 1070342705 |
9 | 341350643 |
10 | 149013957 |
11 | 77129434 |
12 | 41aa2b19 |
13 | 24b45151 |
14 | 15b0d541 |
15 | d13743c |
hex | 8e1c5c5 |
149013957 has 8 divisors (see below), whose sum is σ = 199419520. Its totient is φ = 98975520.
The previous prime is 149013901. The next prime is 149013961. The reversal of 149013957 is 759310941.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 149013957 - 220 = 147965381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149012957) 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, 90832 + ... + 92457.
It is an arithmetic number, because the mean of its divisors is an integer number (24927440).
Almost surely, 2149013957 is an apocalyptic number.
It is an amenable number.
149013957 is a deficient number, since it is larger than the sum of its proper divisors (50405563).
149013957 is a wasteful number, since it uses less digits than its factorization.
149013957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183563.
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 149013957 is about 12207.1273033421. The cubic root of 149013957 is about 530.1624718456.
The spelling of 149013957 in words is "one hundred forty-nine million, thirteen thousand, nine hundred fifty-seven".
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