Base | Representation |
---|---|
bin | 10001110101101… |
… | …11001010001111 |
3 | 101102120220111002 |
4 | 20322313022033 |
5 | 301302214030 |
6 | 22503250515 |
7 | 3464662406 |
oct | 1072671217 |
9 | 342526432 |
10 | 149648015 |
11 | 77521850 |
12 | 42149a3b |
13 | 2500792a |
14 | 15c3663d |
15 | d210245 |
hex | 8eb728f |
149648015 has 16 divisors (see below), whose sum is σ = 196217856. Its totient is φ = 108660000.
The previous prime is 149648003. The next prime is 149648021. The reversal of 149648015 is 510846941.
It is not a de Polignac number, because 149648015 - 24 = 149647999 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 149648015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39494 + ... + 43116.
It is an arithmetic number, because the mean of its divisors is an integer number (12263616).
Almost surely, 2149648015 is an apocalyptic number.
149648015 is a deficient number, since it is larger than the sum of its proper divisors (46569841).
149648015 is a wasteful number, since it uses less digits than its factorization.
149648015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4390.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 149648015 is about 12233.0705466780. The cubic root of 149648015 is about 530.9133592265.
The spelling of 149648015 in words is "one hundred forty-nine million, six hundred forty-eight thousand, fifteen".
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