Base | Representation |
---|---|
bin | 10000111101010… |
… | …01011101000001 |
3 | 100220200010211201 |
4 | 20132221131001 |
5 | 242404024331 |
6 | 22040541201 |
7 | 3345056254 |
oct | 1036513501 |
9 | 326603751 |
10 | 142251841 |
11 | 7332aa06 |
12 | 3b781801 |
13 | 236182b4 |
14 | 14c6d09b |
15 | c74da61 |
hex | 87a9741 |
142251841 has 8 divisors (see below), whose sum is σ = 152565120. Its totient is φ = 132221232.
The previous prime is 142251829. The next prime is 142251853. The reversal of 142251841 is 148152241.
It is an interprime number because it is at equal distance from previous prime (142251829) and next prime (142251853).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142251841 - 27 = 142251713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142251821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69625 + ... + 71638.
It is an arithmetic number, because the mean of its divisors is an integer number (19070640).
Almost surely, 2142251841 is an apocalyptic number.
It is an amenable number.
142251841 is a deficient number, since it is larger than the sum of its proper divisors (10313279).
142251841 is a wasteful number, since it uses less digits than its factorization.
142251841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141335.
The product of its digits is 2560, while the sum is 28.
The square root of 142251841 is about 11926.9376203617. The cubic root of 142251841 is about 522.0185851390.
The spelling of 142251841 in words is "one hundred forty-two million, two hundred fifty-one thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •