Base | Representation |
---|---|
bin | 10001000000110… |
… | …10101010100100 |
3 | 100221112200221100 |
4 | 20200122222210 |
5 | 243013344211 |
6 | 22054520100 |
7 | 3352030224 |
oct | 1040325244 |
9 | 327480840 |
10 | 142715556 |
11 | 73617345 |
12 | 3b966030 |
13 | 2374b399 |
14 | 14d50084 |
15 | c7e1156 |
hex | 881aaa4 |
142715556 has 36 divisors (see below), whose sum is σ = 361146604. Its totient is φ = 47520000.
The previous prime is 142715509. The next prime is 142715557. The reversal of 142715556 is 655517241.
142715556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 108493056 + 34222500 = 10416^2 + 5850^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 142715556.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142715557) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46056 + ... + 49056.
Almost surely, 2142715556 is an apocalyptic number.
It is an amenable number.
142715556 is an abundant number, since it is smaller than the sum of its proper divisors (218431048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142715556 is a wasteful number, since it uses less digits than its factorization.
142715556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4332 (or 4327 counting only the distinct ones).
The product of its digits is 42000, while the sum is 36.
The square root of 142715556 is about 11946.3616218496. The cubic root of 142715556 is about 522.5851982892.
The spelling of 142715556 in words is "one hundred forty-two million, seven hundred fifteen thousand, five hundred fifty-six".
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