Base | Representation |
---|---|
bin | 111101011010010… |
… | …010101000010111 |
3 | 2122210200202221220 |
4 | 331122102220113 |
5 | 4102224132411 |
6 | 250122541423 |
7 | 34350265410 |
oct | 7532225027 |
9 | 2583622856 |
10 | 1030302231 |
11 | 489640352 |
12 | 249067873 |
13 | 1355b98ba |
14 | 9ab98807 |
15 | 606b9b06 |
hex | 3d692a17 |
1030302231 has 32 divisors (see below), whose sum is σ = 1609563648. Its totient is φ = 573955200.
The previous prime is 1030302223. The next prime is 1030302253. The reversal of 1030302231 is 1322030301.
It is not a de Polignac number, because 1030302231 - 23 = 1030302223 is a prime.
It is a super-2 number, since 2×10303022312 = 2123045374407154722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1030302231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030302271) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791281 + ... + 792581.
It is an arithmetic number, because the mean of its divisors is an integer number (50298864).
Almost surely, 21030302231 is an apocalyptic number.
1030302231 is a deficient number, since it is larger than the sum of its proper divisors (579261417).
1030302231 is a wasteful number, since it uses less digits than its factorization.
1030302231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2231.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1030302231 is about 32098.3213112462. The cubic root of 1030302231 is about 1010.0004022480. Note that the first 3 decimals are identical.
Adding to 1030302231 its reverse (1322030301), we get a palindrome (2352332532).
The spelling of 1030302231 in words is "one billion, thirty million, three hundred two thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •