Base | Representation |
---|---|
bin | 1110110100111… |
… | …10011100001110 |
3 | 22200001012120120 |
4 | 13122132130032 |
5 | 223320142232 |
6 | 20201525410 |
7 | 3040135440 |
oct | 732363416 |
9 | 280035516 |
10 | 124380942 |
11 | 64234274 |
12 | 357a3866 |
13 | 1c9cbcba |
14 | 1273a490 |
15 | adbd92c |
hex | 769e70e |
124380942 has 64 divisors (see below), whose sum is σ = 311454720. Its totient is φ = 32288256.
The previous prime is 124380937. The next prime is 124380943. The reversal of 124380942 is 249083421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124380943) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17703 + ... + 23709.
It is an arithmetic number, because the mean of its divisors is an integer number (4866480).
Almost surely, 2124380942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124380942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155727360).
124380942 is an abundant number, since it is smaller than the sum of its proper divisors (187073778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124380942 is a wasteful number, since it uses less digits than its factorization.
124380942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6065.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 124380942 is about 11152.6204095719. The cubic root of 124380942 is about 499.1732229663.
The spelling of 124380942 in words is "one hundred twenty-four million, three hundred eighty thousand, nine hundred forty-two".
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