Base | Representation |
---|---|
bin | 1110110101101… |
… | …11101000101100 |
3 | 22200020110010201 |
4 | 13122313220230 |
5 | 223331443030 |
6 | 20204043244 |
7 | 3041045344 |
oct | 732675054 |
9 | 280213121 |
10 | 124484140 |
11 | 642a4860 |
12 | 35833524 |
13 | 1ca36c71 |
14 | 12765d24 |
15 | adde2ca |
hex | 76b7a2c |
124484140 has 48 divisors (see below), whose sum is σ = 291836160. Its totient is φ = 44210880.
The previous prime is 124484131. The next prime is 124484161. The reversal of 124484140 is 41484421.
It is a super-2 number, since 2×1244841402 = 30992602223079200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 124484099 and 124484108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881 + ... + 16039.
It is an arithmetic number, because the mean of its divisors is an integer number (6079920).
Almost surely, 2124484140 is an apocalyptic number.
124484140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124484140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145918080).
124484140 is an abundant number, since it is smaller than the sum of its proper divisors (167352020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124484140 is a wasteful number, since it uses less digits than its factorization.
124484140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13222 (or 13220 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The square root of 124484140 is about 11157.2460759813. The cubic root of 124484140 is about 499.3112383170.
The spelling of 124484140 in words is "one hundred twenty-four million, four hundred eighty-four thousand, one hundred forty".
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