Base | Representation |
---|---|
bin | 10000111011100… |
… | …11100000011110 |
3 | 100220020220201220 |
4 | 20131303200132 |
5 | 242324442003 |
6 | 22032114210 |
7 | 3343146123 |
oct | 1035634036 |
9 | 326226656 |
10 | 142030878 |
11 | 731999a0 |
12 | 3b695966 |
13 | 2356b852 |
14 | 14c1274a |
15 | c708353 |
hex | 877381e |
142030878 has 32 divisors (see below), whose sum is σ = 310666752. Its totient is φ = 42931200.
The previous prime is 142030859. The next prime is 142030883. The reversal of 142030878 is 878030241.
142030878 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 (33).
It is a congruent number.
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, 25950 + ... + 30942.
It is an arithmetic number, because the mean of its divisors is an integer number (9708336).
Almost surely, 2142030878 is an apocalyptic number.
142030878 is an abundant number, since it is smaller than the sum of its proper divisors (168635874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142030878 is a wasteful number, since it uses less digits than its factorization.
142030878 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5440.
The product of its (nonzero) digits is 10752, while the sum is 33.
The square root of 142030878 is about 11917.6708294868. The cubic root of 142030878 is about 521.7481573142.
The spelling of 142030878 in words is "one hundred forty-two million, thirty thousand, eight hundred seventy-eight".
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