Base | Representation |
---|---|
bin | 10001110110001… |
… | …11100010101101 |
3 | 101102201022112100 |
4 | 20323013202231 |
5 | 301311340432 |
6 | 22504525313 |
7 | 3465362136 |
oct | 1073074255 |
9 | 342638470 |
10 | 149715117 |
11 | 77568202 |
12 | 42180839 |
13 | 2502c336 |
14 | 15c52c8d |
15 | d22507c |
hex | 8ec78ad |
149715117 has 24 divisors (see below), whose sum is σ = 228571200. Its totient is φ = 94169088.
The previous prime is 149715103. The next prime is 149715127. The reversal of 149715117 is 711517941.
149715117 is a `hidden beast` number, since 1 + 497 + 151 + 17 = 666.
It is not a de Polignac number, because 149715117 - 24 = 149715101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149715127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43309 + ... + 46637.
It is an arithmetic number, because the mean of its divisors is an integer number (9523800).
Almost surely, 2149715117 is an apocalyptic number.
It is an amenable number.
149715117 is a deficient number, since it is larger than the sum of its proper divisors (78856083).
149715117 is a wasteful number, since it uses less digits than its factorization.
149715117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3617 (or 3614 counting only the distinct ones).
The product of its digits is 8820, while the sum is 36.
The square root of 149715117 is about 12235.8128867681. The cubic root of 149715117 is about 530.9927010179.
The spelling of 149715117 in words is "one hundred forty-nine million, seven hundred fifteen thousand, one hundred seventeen".
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