Base | Representation |
---|---|
bin | 11011100100001… |
… | …00110011010000 |
3 | 121010002201211222 |
4 | 31302010303100 |
5 | 433143340142 |
6 | 34540024212 |
7 | 5505266621 |
oct | 1562046320 |
9 | 533081758 |
10 | 231230672 |
11 | 109584032 |
12 | 65532068 |
13 | 38ba04aa |
14 | 229d1a48 |
15 | 15477bd2 |
hex | dc84cd0 |
231230672 has 10 divisors (see below), whose sum is σ = 448009458. Its totient is φ = 115615328.
The previous prime is 231230663. The next prime is 231230711. The reversal of 231230672 is 276032132.
It can be written as a sum of positive squares in only one way, i.e., 198922816 + 32307856 = 14104^2 + 5684^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7225943 + ... + 7225974.
Almost surely, 2231230672 is an apocalyptic number.
It is an amenable number.
231230672 is a deficient number, since it is larger than the sum of its proper divisors (216778786).
231230672 is a wasteful number, since it uses less digits than its factorization.
231230672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14451925 (or 14451919 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 231230672 is about 15206.2708117408. The cubic root of 231230672 is about 613.7834120267.
The spelling of 231230672 in words is "two hundred thirty-one million, two hundred thirty thousand, six hundred seventy-two".
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