Base | Representation |
---|---|
bin | 10000111110100… |
… | …11111101010001 |
3 | 100220222222122201 |
4 | 20133103331101 |
5 | 242430112222 |
6 | 22044403201 |
7 | 3346412653 |
oct | 1037237521 |
9 | 326888581 |
10 | 142425937 |
11 | 73439795 |
12 | 3b846501 |
13 | 23679604 |
14 | 14cb66d3 |
15 | c785427 |
hex | 87d3f51 |
142425937 has 4 divisors (see below), whose sum is σ = 142458880. Its totient is φ = 142392996.
The previous prime is 142425917. The next prime is 142425961. The reversal of 142425937 is 739524241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142425937 - 219 = 141901649 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142425896 and 142425905.
It is not an unprimeable number, because it can be changed into a prime (142425917) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8793 + ... + 19030.
It is an arithmetic number, because the mean of its divisors is an integer number (35614720).
Almost surely, 2142425937 is an apocalyptic number.
It is an amenable number.
142425937 is a deficient number, since it is larger than the sum of its proper divisors (32943).
142425937 is an equidigital number, since it uses as much as digits as its factorization.
142425937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32942.
The product of its digits is 60480, while the sum is 37.
The square root of 142425937 is about 11934.2338254284. The cubic root of 142425937 is about 522.2314571292.
The spelling of 142425937 in words is "one hundred forty-two million, four hundred twenty-five thousand, nine hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •