Base | Representation |
---|---|
bin | 11011100010100… |
… | …11111000011110 |
3 | 121002201112222212 |
4 | 31301103320132 |
5 | 433120432202 |
6 | 34531440422 |
7 | 5503503506 |
oct | 1561237036 |
9 | 532645885 |
10 | 231030302 |
11 | 109457538 |
12 | 65456112 |
13 | 38b30229 |
14 | 2297ca06 |
15 | 15438652 |
hex | dc53e1e |
231030302 has 16 divisors (see below), whose sum is σ = 354587424. Its totient is φ = 112860000.
The previous prime is 231030299. The next prime is 231030313. The reversal of 231030302 is 203030132.
It is a super-2 number, since 2×2310303022 = 106750000884422408, which contains 22 as substring.
It is a congruent number.
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, 12152 + ... + 24692.
It is an arithmetic number, because the mean of its divisors is an integer number (22161714).
Almost surely, 2231030302 is an apocalyptic number.
231030302 is a deficient number, since it is larger than the sum of its proper divisors (123557122).
231030302 is a wasteful number, since it uses less digits than its factorization.
231030302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12755.
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 231030302 is about 15199.6809834944. The cubic root of 231030302 is about 613.6060720547.
Adding to 231030302 its reverse (203030132), we get a palindrome (434060434).
The spelling of 231030302 in words is "two hundred thirty-one million, thirty thousand, three hundred two".
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