Base | Representation |
---|---|
bin | 1110110011110… |
… | …10101000000000 |
3 | 22122202202100011 |
4 | 13121322220000 |
5 | 223300443430 |
6 | 20154434304 |
7 | 3035654644 |
oct | 731725000 |
9 | 278682304 |
10 | 124234240 |
11 | 64144029 |
12 | 35732994 |
13 | 1c97a2b0 |
14 | 126dcc24 |
15 | ad9022a |
hex | 767aa00 |
124234240 has 80 divisors (see below), whose sum is σ = 320870088. Its totient is φ = 45858816.
The previous prime is 124234219. The next prime is 124234261. The reversal of 124234240 is 42432421.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (124234219) and next prime (124234261).
It can be written as a sum of positive squares in 4 ways, for example, as 80568576 + 43665664 = 8976^2 + 6608^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31414 + ... + 35146.
Almost surely, 2124234240 is an apocalyptic number.
124234240 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 124234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160435044).
124234240 is an abundant number, since it is smaller than the sum of its proper divisors (196635848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124234240 is an equidigital number, since it uses as much as digits as its factorization.
124234240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3769 (or 3753 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 124234240 is about 11146.0414497704. The cubic root of 124234240 is about 498.9768946053.
Adding to 124234240 its reverse (42432421), we get a palindrome (166666661).
The spelling of 124234240 in words is "one hundred twenty-four million, two hundred thirty-four thousand, two hundred forty".
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