Base | Representation |
---|---|
bin | 10000111011110… |
… | …10111101111101 |
3 | 100220022110122201 |
4 | 20131322331331 |
5 | 242331431222 |
6 | 22032511501 |
7 | 3343334200 |
oct | 1035727575 |
9 | 326273581 |
10 | 142061437 |
11 | 7320a951 |
12 | 3b6ab591 |
13 | 2357c72b |
14 | 14c1d937 |
15 | c712427 |
hex | 877af7d |
142061437 has 12 divisors (see below), whose sum is σ = 170587776. Its totient is φ = 117837720.
The previous prime is 142061429. The next prime is 142061443. The reversal of 142061437 is 734160241.
It is not a de Polignac number, because 142061437 - 23 = 142061429 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 (142061417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45243 + ... + 48280.
It is an arithmetic number, because the mean of its divisors is an integer number (14215648).
Almost surely, 2142061437 is an apocalyptic number.
It is an amenable number.
142061437 is a deficient number, since it is larger than the sum of its proper divisors (28526339).
142061437 is an equidigital number, since it uses as much as digits as its factorization.
142061437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93568 (or 93561 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 142061437 is about 11918.9528483001. The cubic root of 142061437 is about 521.7855739634.
The spelling of 142061437 in words is "one hundred forty-two million, sixty-one thousand, four hundred thirty-seven".
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