Base | Representation |
---|---|
bin | 111001011010… |
… | …010011010110 |
3 | 1001022121122021 |
4 | 321122103112 |
5 | 12323044232 |
6 | 1254323354 |
7 | 241631245 |
oct | 71322326 |
9 | 31277567 |
10 | 15049942 |
11 | 854a276 |
12 | 505955a |
13 | 316c2bb |
14 | 1dda95c |
15 | 14c4397 |
hex | e5a4d6 |
15049942 has 16 divisors (see below), whose sum is σ = 23657472. Its totient is φ = 7171560.
The previous prime is 15049939. The next prime is 15049949. The reversal of 15049942 is 24994051.
It is a junction number, because it is equal to n+sod(n) for n = 15049898 and 15049907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15049949) 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, 2343 + ... + 5965.
It is an arithmetic number, because the mean of its divisors is an integer number (1478592).
Almost surely, 215049942 is an apocalyptic number.
15049942 is a deficient number, since it is larger than the sum of its proper divisors (8607530).
15049942 is a wasteful number, since it uses less digits than its factorization.
15049942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3723.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 15049942 is about 3879.4254729277. The cubic root of 15049942 is about 246.8946099255.
The spelling of 15049942 in words is "fifteen million, forty-nine thousand, nine hundred forty-two".
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