Base | Representation |
---|---|
bin | 11011100010100… |
… | …00000000101010 |
3 | 121002200202020110 |
4 | 31301100000222 |
5 | 433114430232 |
6 | 34531235150 |
7 | 5503406331 |
oct | 1561200052 |
9 | 532622213 |
10 | 231014442 |
11 | 10944662a |
12 | 65448ab6 |
13 | 38b25c49 |
14 | 22976d18 |
15 | 15433acc |
hex | dc5002a |
231014442 has 16 divisors (see below), whose sum is σ = 469603872. Its totient is φ = 75742320.
The previous prime is 231014431. The next prime is 231014453. The reversal of 231014442 is 244410132.
It is an interprime number because it is at equal distance from previous prime (231014431) and next prime (231014453).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315228 + ... + 315959.
It is an arithmetic number, because the mean of its divisors is an integer number (29350242).
Almost surely, 2231014442 is an apocalyptic number.
231014442 is an abundant number, since it is smaller than the sum of its proper divisors (238589430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231014442 is a wasteful number, since it uses less digits than its factorization.
231014442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 631253.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 231014442 is about 15199.1592530640. The cubic root of 231014442 is about 613.5920305849.
Adding to 231014442 its reverse (244410132), we get a palindrome (475424574).
The spelling of 231014442 in words is "two hundred thirty-one million, fourteen thousand, four hundred forty-two".
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