Base | Representation |
---|---|
bin | 110111110000… |
… | …0100010111100 |
3 | 2001000002210110 |
4 | 1233200202330 |
5 | 24440400132 |
6 | 2522310020 |
7 | 503314266 |
oct | 157404274 |
9 | 61002713 |
10 | 29231292 |
11 | 155559a2 |
12 | 9958310 |
13 | 609612c |
14 | 3c4cb36 |
15 | 28761cc |
hex | 1be08bc |
29231292 has 24 divisors (see below), whose sum is σ = 68813136. Its totient is φ = 9657088.
The previous prime is 29231273. The next prime is 29231311. The reversal of 29231292 is 29213292.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (29231273) and next prime (29231311).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9423 + ... + 12134.
It is an arithmetic number, because the mean of its divisors is an integer number (2867214).
Almost surely, 229231292 is an apocalyptic number.
It is an amenable number.
29231292 is an abundant number, since it is smaller than the sum of its proper divisors (39581844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29231292 is a wasteful number, since it uses less digits than its factorization.
29231292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21677 (or 21675 counting only the distinct ones).
The product of its digits is 3888, while the sum is 30.
The square root of 29231292 is about 5406.5970813442. The cubic root of 29231292 is about 308.0463049513.
The spelling of 29231292 in words is "twenty-nine million, two hundred thirty-one thousand, two hundred ninety-two".
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