Base | Representation |
---|---|
bin | 10000111101110… |
… | …01000101110000 |
3 | 100220210101200211 |
4 | 20132321011300 |
5 | 242413102023 |
6 | 22042153504 |
7 | 3345444061 |
oct | 1036710560 |
9 | 326711624 |
10 | 142315888 |
11 | 73374040 |
12 | 3b7b2894 |
13 | 2363b4b0 |
14 | 14c88568 |
15 | c762a0d |
hex | 87b9170 |
142315888 has 40 divisors (see below), whose sum is σ = 323948016. Its totient is φ = 59712000.
The previous prime is 142315883. The next prime is 142315903. The reversal of 142315888 is 888513241.
It is a self number, because there is not a number n which added to its sum of digits gives 142315888.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142315883) 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 7 ways as a sum of consecutive naturals, for example, 28813 + ... + 33388.
Almost surely, 2142315888 is an apocalyptic number.
It is an amenable number.
142315888 is an abundant number, since it is smaller than the sum of its proper divisors (181632128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142315888 is a wasteful number, since it uses less digits than its factorization.
142315888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62233 (or 62227 counting only the distinct ones).
The product of its digits is 61440, while the sum is 40.
The square root of 142315888 is about 11929.6222907517. The cubic root of 142315888 is about 522.0969173599.
The spelling of 142315888 in words is "one hundred forty-two million, three hundred fifteen thousand, eight hundred eighty-eight".
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