Base | Representation |
---|---|
bin | 11011101011111… |
… | …01111101011111 |
3 | 121012000120210110 |
4 | 31311331331133 |
5 | 433424014411 |
6 | 35013541103 |
7 | 5520050202 |
oct | 1565757537 |
9 | 535016713 |
10 | 232251231 |
11 | 10a110873 |
12 | 65944793 |
13 | 39169b84 |
14 | 22bb9939 |
15 | 155ca2a6 |
hex | dd7df5f |
232251231 has 16 divisors (see below), whose sum is σ = 330099200. Its totient is φ = 144825408.
The previous prime is 232251223. The next prime is 232251233. The reversal of 232251231 is 132152232.
It is not a de Polignac number, because 232251231 - 23 = 232251223 is a prime.
It is a super-3 number, since 3×2322512313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 232251198 and 232251207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232251233) 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, 21286 + ... + 30291.
It is an arithmetic number, because the mean of its divisors is an integer number (20631200).
Almost surely, 2232251231 is an apocalyptic number.
232251231 is a deficient number, since it is larger than the sum of its proper divisors (97847969).
232251231 is a wasteful number, since it uses less digits than its factorization.
232251231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51678.
The product of its digits is 720, while the sum is 21.
The square root of 232251231 is about 15239.7910418746. The cubic root of 232251231 is about 614.6850843273.
The spelling of 232251231 in words is "two hundred thirty-two million, two hundred fifty-one thousand, two hundred thirty-one".
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