Base | Representation |
---|---|
bin | 11011101100100… |
… | …01011110000110 |
3 | 121012011122102010 |
4 | 31312101132012 |
5 | 433434044032 |
6 | 35015355050 |
7 | 5520532161 |
oct | 1566213606 |
9 | 535148363 |
10 | 232331142 |
11 | 10a16590a |
12 | 65982a86 |
13 | 39197364 |
14 | 22bdaad8 |
15 | 155e3ccc |
hex | dd91786 |
232331142 has 32 divisors (see below), whose sum is σ = 486001152. Its totient is φ = 73903104.
The previous prime is 232331137. The next prime is 232331147. The reversal of 232331142 is 241133232.
It is an interprime number because it is at equal distance from previous prime (232331137) and next prime (232331147).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232331147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65478 + ... + 68934.
It is an arithmetic number, because the mean of its divisors is an integer number (15187536).
Almost surely, 2232331142 is an apocalyptic number.
232331142 is an abundant number, since it is smaller than the sum of its proper divisors (253670010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
232331142 is a wasteful number, since it uses less digits than its factorization.
232331142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3972.
The product of its digits is 864, while the sum is 21.
The square root of 232331142 is about 15242.4126043091. The cubic root of 232331142 is about 614.7555747571.
Adding to 232331142 its reverse (241133232), we get a palindrome (473464374).
The spelling of 232331142 in words is "two hundred thirty-two million, three hundred thirty-one thousand, one hundred forty-two".
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