Base | Representation |
---|---|
bin | 1110111001011… |
… | …10000111001101 |
3 | 22201011002211002 |
4 | 13130232013031 |
5 | 223443010141 |
6 | 20222310045 |
7 | 3045136223 |
oct | 734560715 |
9 | 281132732 |
10 | 124969421 |
11 | 645a6415 |
12 | 35a28325 |
13 | 1cb76b05 |
14 | 12850b13 |
15 | ae87e9b |
hex | 772e1cd |
124969421 has 8 divisors (see below), whose sum is σ = 126449400. Its totient is φ = 123494400.
The previous prime is 124969417. The next prime is 124969433.
124969421 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 82537225 + 42432196 = 9085^2 + 6514^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124969421 - 22 = 124969417 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 (124969451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76865 + ... + 78473.
It is an arithmetic number, because the mean of its divisors is an integer number (15806175).
Almost surely, 2124969421 is an apocalyptic number.
It is an amenable number.
124969421 is a deficient number, since it is larger than the sum of its proper divisors (1479979).
124969421 is a wasteful number, since it uses less digits than its factorization.
124969421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2479.
The product of its digits is 31104, while the sum is 38.
The square root of 124969421 is about 11178.9722693994. The cubic root of 124969421 is about 499.9592246748.
The spelling of 124969421 in words is "one hundred twenty-four million, nine hundred sixty-nine thousand, four hundred twenty-one".
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