Base | Representation |
---|---|
bin | 10001000000000… |
… | …10000110001000 |
3 | 100221100120220002 |
4 | 20200002012020 |
5 | 243002134140 |
6 | 22052422132 |
7 | 3351130640 |
oct | 1040020610 |
9 | 327316802 |
10 | 142614920 |
11 | 73558778 |
12 | 3b917948 |
13 | 23714636 |
14 | 14d25520 |
15 | c7c1415 |
hex | 8802188 |
142614920 has 64 divisors (see below), whose sum is σ = 374561280. Its totient is φ = 47851776.
The previous prime is 142614907. The next prime is 142614943. The reversal of 142614920 is 29416241.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7742 + ... + 18578.
It is an arithmetic number, because the mean of its divisors is an integer number (5852520).
Almost surely, 2142614920 is an apocalyptic number.
142614920 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 142614920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187280640).
142614920 is an abundant number, since it is smaller than the sum of its proper divisors (231946360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142614920 is a wasteful number, since it uses less digits than its factorization.
142614920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10902 (or 10898 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 142614920 is about 11942.1488853556. The cubic root of 142614920 is about 522.4623356015.
The spelling of 142614920 in words is "one hundred forty-two million, six hundred fourteen thousand, nine hundred twenty".
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