Base | Representation |
---|---|
bin | 10000111101001… |
… | …00100111010111 |
3 | 100220122010122201 |
4 | 20132210213113 |
5 | 242402411043 |
6 | 22040305331 |
7 | 3344644423 |
oct | 1036444727 |
9 | 326563581 |
10 | 142232023 |
11 | 7331702a |
12 | 3b772247 |
13 | 2360c27b |
14 | 14c65b83 |
15 | c747c4d |
hex | 87a49d7 |
142232023 has 4 divisors (see below), whose sum is σ = 148416048. Its totient is φ = 136048000.
The previous prime is 142232017. The next prime is 142232039. The reversal of 142232023 is 320232241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320232241 = 7 ⋅45747463.
It is a cyclic number.
It is not a de Polignac number, because 142232023 - 213 = 142223831 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 (142232323) 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, 3091978 + ... + 3092023.
It is an arithmetic number, because the mean of its divisors is an integer number (37104012).
Almost surely, 2142232023 is an apocalyptic number.
142232023 is a deficient number, since it is larger than the sum of its proper divisors (6184025).
142232023 is an equidigital number, since it uses as much as digits as its factorization.
142232023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6184024.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 142232023 is about 11926.1067830202. The cubic root of 142232023 is about 521.9943421141.
Adding to 142232023 its reverse (320232241), we get a palindrome (462464264).
The spelling of 142232023 in words is "one hundred forty-two million, two hundred thirty-two thousand, twenty-three".
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