Base | Representation |
---|---|
bin | 10000111111000… |
… | …11110101001000 |
3 | 100221010021211200 |
4 | 20133203311020 |
5 | 242434202302 |
6 | 22050024200 |
7 | 3350103342 |
oct | 1037436510 |
9 | 327107750 |
10 | 142490952 |
11 | 7348361a |
12 | 3b878060 |
13 | 236a0096 |
14 | 14cd2292 |
15 | c79981c |
hex | 87e3d48 |
142490952 has 48 divisors (see below), whose sum is σ = 388976640. Its totient is φ = 47119968.
The previous prime is 142490941. The next prime is 142490989. The reversal of 142490952 is 259094241.
142490952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353 + ... + 16935.
It is an arithmetic number, because the mean of its divisors is an integer number (8103680).
Almost surely, 2142490952 is an apocalyptic number.
142490952 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 142490952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194488320).
142490952 is an abundant number, since it is smaller than the sum of its proper divisors (246485688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142490952 is a wasteful number, since it uses less digits than its factorization.
142490952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15722 (or 15715 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 142490952 is about 11936.9574012811. The cubic root of 142490952 is about 522.3109082786.
The spelling of 142490952 in words is "one hundred forty-two million, four hundred ninety thousand, nine hundred fifty-two".
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