Base | Representation |
---|---|
bin | 1110110010110… |
… | …00101011110101 |
3 | 22122111200122022 |
4 | 13121120223311 |
5 | 223232021341 |
6 | 20151442525 |
7 | 3034535435 |
oct | 731305365 |
9 | 278450568 |
10 | 124095221 |
11 | 64059638 |
12 | 35686445 |
13 | 1c92bc33 |
14 | 126a42c5 |
15 | ad63e4b |
hex | 7658af5 |
124095221 has 4 divisors (see below), whose sum is σ = 124208832. Its totient is φ = 123981612.
The previous prime is 124095211. The next prime is 124095227. The reversal of 124095221 is 122590421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 124095221 - 210 = 124094197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124095227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55151 + ... + 57356.
It is an arithmetic number, because the mean of its divisors is an integer number (31052208).
Almost surely, 2124095221 is an apocalyptic number.
It is an amenable number.
124095221 is a deficient number, since it is larger than the sum of its proper divisors (113611).
124095221 is a wasteful number, since it uses less digits than its factorization.
124095221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113610.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 124095221 is about 11139.8034542805. The cubic root of 124095221 is about 498.7907055719.
The spelling of 124095221 in words is "one hundred twenty-four million, ninety-five thousand, two hundred twenty-one".
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