Base | Representation |
---|---|
bin | 1110111001101… |
… | …00001001100001 |
3 | 22201012100201210 |
4 | 13130310021201 |
5 | 223444303040 |
6 | 20223020333 |
7 | 3045301263 |
oct | 734641141 |
9 | 281170653 |
10 | 124994145 |
11 | 64612a51 |
12 | 35a3a6a9 |
13 | 1cb85143 |
14 | 12859b33 |
15 | ae90480 |
hex | 7734261 |
124994145 has 16 divisors (see below), whose sum is σ = 200877120. Its totient is φ = 66368064.
The previous prime is 124994131. The next prime is 124994153. The reversal of 124994145 is 541499421.
It is not a de Polignac number, because 124994145 - 25 = 124994113 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 14950 + ... + 21759.
It is an arithmetic number, because the mean of its divisors is an integer number (12554820).
Almost surely, 2124994145 is an apocalyptic number.
124994145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
124994145 is a deficient number, since it is larger than the sum of its proper divisors (75882975).
124994145 is a wasteful number, since it uses less digits than its factorization.
124994145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36944.
The product of its digits is 51840, while the sum is 39.
The square root of 124994145 is about 11180.0780408725. The cubic root of 124994145 is about 499.9921932114.
The spelling of 124994145 in words is "one hundred twenty-four million, nine hundred ninety-four thousand, one hundred forty-five".
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