Base | Representation |
---|---|
bin | 10001000010111… |
… | …01000000100100 |
3 | 100222001111200221 |
4 | 20201131000210 |
5 | 243101043200 |
6 | 22104414124 |
7 | 3354241411 |
oct | 1041350044 |
9 | 328044627 |
10 | 142987300 |
11 | 73792525 |
12 | 3ba77344 |
13 | 23814c91 |
14 | 14dc1108 |
15 | c84691a |
hex | 885d024 |
142987300 has 36 divisors (see below), whose sum is σ = 311698800. Its totient is φ = 56933920.
The previous prime is 142987291. The next prime is 142987321. The reversal of 142987300 is 3789241.
142987300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1429873002 = 40890735922580000, which contains 22 as substring.
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, 19551 + ... + 25849.
It is an arithmetic number, because the mean of its divisors is an integer number (8658300).
Almost surely, 2142987300 is an apocalyptic number.
142987300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142987300 is an abundant number, since it is smaller than the sum of its proper divisors (168711500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142987300 is a wasteful number, since it uses less digits than its factorization.
142987300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6540 (or 6533 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 142987300 is about 11957.7297176345. The cubic root of 142987300 is about 522.9166719752.
The spelling of 142987300 in words is "one hundred forty-two million, nine hundred eighty-seven thousand, three hundred".
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