Base | Representation |
---|---|
bin | 11011011001010… |
… | …10101100100111 |
3 | 121000102201012202 |
4 | 31230222230213 |
5 | 432313004111 |
6 | 34445405115 |
7 | 5460243560 |
oct | 1554525447 |
9 | 530381182 |
10 | 229813031 |
11 | 1087a5a28 |
12 | 64b6979b |
13 | 387c5156 |
14 | 22743167 |
15 | 15297b3b |
hex | db2ab27 |
229813031 has 16 divisors (see below), whose sum is σ = 270553920. Its totient is φ = 191082240.
The previous prime is 229813019. The next prime is 229813043. The reversal of 229813031 is 130318922.
It is an interprime number because it is at equal distance from previous prime (229813019) and next prime (229813043).
It is a cyclic number.
It is not a de Polignac number, because 229813031 - 26 = 229812967 is a prime.
It is a super-2 number, since 2×2298130312 = 105628058434813922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 229812985 and 229813003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229813061) 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, 99611 + ... + 101891.
It is an arithmetic number, because the mean of its divisors is an integer number (16909620).
Almost surely, 2229813031 is an apocalyptic number.
229813031 is a deficient number, since it is larger than the sum of its proper divisors (40740889).
229813031 is a wasteful number, since it uses less digits than its factorization.
229813031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2714.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 229813031 is about 15159.5854494772. The cubic root of 229813031 is about 612.5265014772.
The spelling of 229813031 in words is "two hundred twenty-nine million, eight hundred thirteen thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •