Base | Representation |
---|---|
bin | 10000111111011… |
… | …11001011000101 |
3 | 100221012122120110 |
4 | 20133233023011 |
5 | 242442144123 |
6 | 22051023233 |
7 | 3350355654 |
oct | 1037571305 |
9 | 327178513 |
10 | 142537413 |
11 | 73505517 |
12 | 3b89ab19 |
13 | 236b8285 |
14 | 14d0519b |
15 | c7a8493 |
hex | 87ef2c5 |
142537413 has 4 divisors (see below), whose sum is σ = 190049888. Its totient is φ = 95024940.
The previous prime is 142537397. The next prime is 142537433. The reversal of 142537413 is 314735241.
It is a happy number.
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 not a de Polignac number, because 142537413 - 24 = 142537397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142537433) 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, 23756233 + ... + 23756238.
It is an arithmetic number, because the mean of its divisors is an integer number (47512472).
Almost surely, 2142537413 is an apocalyptic number.
It is an amenable number.
142537413 is a deficient number, since it is larger than the sum of its proper divisors (47512475).
142537413 is an equidigital number, since it uses as much as digits as its factorization.
142537413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47512474.
The product of its digits is 10080, while the sum is 30.
The square root of 142537413 is about 11938.9033415972. The cubic root of 142537413 is about 522.3676708303.
The spelling of 142537413 in words is "one hundred forty-two million, five hundred thirty-seven thousand, four hundred thirteen".
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