Base | Representation |
---|---|
bin | 1110110100101… |
… | …01000010110100 |
3 | 22122222020210000 |
4 | 13122111002310 |
5 | 223312424302 |
6 | 20201031300 |
7 | 3036615303 |
oct | 732250264 |
9 | 278866700 |
10 | 124342452 |
11 | 64208363 |
12 | 35785530 |
13 | 1c9b7620 |
14 | 1272a43a |
15 | adb231c |
hex | 76950b4 |
124342452 has 120 divisors (see below), whose sum is σ = 357305256. Its totient is φ = 37469952.
The previous prime is 124342451. The next prime is 124342469. The reversal of 124342452 is 254243421.
It can be written as a sum of positive squares in 4 ways, for example, as 599076 + 123743376 = 774^2 + 11124^2 .
It is a super-2 number, since 2×1243424522 = 30922090738744608, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124342451) 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 39 ways as a sum of consecutive naturals, for example, 222958 + ... + 223514.
Almost surely, 2124342452 is an apocalyptic number.
124342452 is a gapful number since it is divisible by the number (12) 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 124342452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178652628).
124342452 is an abundant number, since it is smaller than the sum of its proper divisors (232962804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124342452 is a wasteful number, since it uses less digits than its factorization.
124342452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 639 (or 628 counting only the distinct ones).
The product of its digits is 7680, while the sum is 27.
The square root of 124342452 is about 11150.8946726260. The cubic root of 124342452 is about 499.1217275115.
Adding to 124342452 its reverse (254243421), we get a palindrome (378585873).
The spelling of 124342452 in words is "one hundred twenty-four million, three hundred forty-two thousand, four hundred fifty-two".
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