Base | Representation |
---|---|
bin | 111001110000… |
… | …010100110100 |
3 | 1001111012101020 |
4 | 321300110310 |
5 | 12333441043 |
6 | 1300301140 |
7 | 242455242 |
oct | 71602464 |
9 | 31435336 |
10 | 15140148 |
11 | 8601021 |
12 | 50a17b0 |
13 | 31a138a |
14 | 2021792 |
15 | 14e0e83 |
hex | e70534 |
15140148 has 24 divisors (see below), whose sum is σ = 35693952. Its totient is φ = 4994304.
The previous prime is 15140137. The next prime is 15140201. The reversal of 15140148 is 84104151.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340 + ... + 7667.
It is an arithmetic number, because the mean of its divisors is an integer number (1487248).
Almost surely, 215140148 is an apocalyptic number.
It is an amenable number.
15140148 is an abundant number, since it is smaller than the sum of its proper divisors (20553804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15140148 is a wasteful number, since it uses less digits than its factorization.
15140148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13111 (or 13109 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 15140148 is about 3891.0343097948. The cubic root of 15140148 is about 247.3869047620.
Adding to 15140148 its reverse (84104151), we get a palindrome (99244299).
The spelling of 15140148 in words is "fifteen million, one hundred forty thousand, one hundred forty-eight".
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