Base | Representation |
---|---|
bin | 10000111111100… |
… | …11000000100100 |
3 | 100221020110010100 |
4 | 20133303000210 |
5 | 242443144444 |
6 | 22051224100 |
7 | 3350452530 |
oct | 1037630044 |
9 | 327213110 |
10 | 142553124 |
11 | 735162aa |
12 | 3b8a8030 |
13 | 236c247c |
14 | 14d0abc0 |
15 | c7ace69 |
hex | 87f3024 |
142553124 has 108 divisors (see below), whose sum is σ = 434913024. Its totient is φ = 38561184.
The previous prime is 142553113. The next prime is 142553129. The reversal of 142553124 is 421355241.
It is not an unprimeable number, because it can be changed into a prime (142553129) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90189 + ... + 91755.
Almost surely, 2142553124 is an apocalyptic number.
142553124 is a gapful number since it is divisible by the number (14) 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 142553124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217456512).
142553124 is an abundant number, since it is smaller than the sum of its proper divisors (292359900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142553124 is a wasteful number, since it uses less digits than its factorization.
142553124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1622 (or 1598 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 142553124 is about 11939.5612984732. The cubic root of 142553124 is about 522.3868625563.
The spelling of 142553124 in words is "one hundred forty-two million, five hundred fifty-three thousand, one hundred twenty-four".
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