Base | Representation |
---|---|
bin | 1110110110010… |
… | …11100000100100 |
3 | 22200101120210112 |
4 | 13123023200210 |
5 | 223342044130 |
6 | 20205512152 |
7 | 3041534561 |
oct | 733134044 |
9 | 280346715 |
10 | 124565540 |
11 | 6434aa30 |
12 | 35872658 |
13 | 1ca65028 |
14 | 12787868 |
15 | ae08495 |
hex | 76cb824 |
124565540 has 48 divisors (see below), whose sum is σ = 286130880. Its totient is φ = 45175680.
The previous prime is 124565489. The next prime is 124565543. The reversal of 124565540 is 45565421.
124565540 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
124565540 is strictly pandigital in base 9.
It is a junction number, because it is equal to n+sod(n) for n = 124565497 and 124565506.
It is not an unprimeable number, because it can be changed into a prime (124565543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149846 + ... + 150674.
It is an arithmetic number, because the mean of its divisors is an integer number (5961060).
Almost surely, 2124565540 is an apocalyptic number.
124565540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
124565540 is an abundant number, since it is smaller than the sum of its proper divisors (161565340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124565540 is a wasteful number, since it uses less digits than its factorization.
124565540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1532 (or 1530 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 32.
The square root of 124565540 is about 11160.8933334209. The cubic root of 124565540 is about 499.4200475704.
The spelling of 124565540 in words is "one hundred twenty-four million, five hundred sixty-five thousand, five hundred forty".
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