Base | Representation |
---|---|
bin | 1110010100011… |
… | …11010001111110 |
3 | 22101000221220010 |
4 | 13022033101332 |
5 | 221222441132 |
6 | 15530404050 |
7 | 2656020216 |
oct | 712172176 |
9 | 271027803 |
10 | 120124542 |
11 | 6189738a |
12 | 34290626 |
13 | 1bb6b815 |
14 | 11d4d246 |
15 | a82c6cc |
hex | 728f47e |
120124542 has 32 divisors (see below), whose sum is σ = 246609792. Its totient is φ = 38987424.
The previous prime is 120124523. The next prime is 120124549. The reversal of 120124542 is 245421021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120124549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119988 + ... + 120984.
It is an arithmetic number, because the mean of its divisors is an integer number (7706556).
Almost surely, 2120124542 is an apocalyptic number.
120124542 is an abundant number, since it is smaller than the sum of its proper divisors (126485250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120124542 is a wasteful number, since it uses less digits than its factorization.
120124542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 120124542 is about 10960.1342145067. The cubic root of 120124542 is about 493.4129930816.
Adding to 120124542 its reverse (245421021), we get a palindrome (365545563).
The spelling of 120124542 in words is "one hundred twenty million, one hundred twenty-four thousand, five hundred forty-two".
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