Base | Representation |
---|---|
bin | 110111100000… |
… | …1001011000110 |
3 | 2000202120112010 |
4 | 1233001023012 |
5 | 24422242130 |
6 | 2515435050 |
7 | 502240533 |
oct | 157011306 |
9 | 60676463 |
10 | 29102790 |
11 | 154783a2 |
12 | 98b5a86 |
13 | 604c7b2 |
14 | 3c17d8a |
15 | 284d0b0 |
hex | 1bc12c6 |
29102790 has 32 divisors (see below), whose sum is σ = 70894080. Its totient is φ = 7644384.
The previous prime is 29102789. The next prime is 29102803. The reversal of 29102790 is 9720192.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230 + ... + 9249.
It is an arithmetic number, because the mean of its divisors is an integer number (2215440).
Almost surely, 229102790 is an apocalyptic number.
29102790 is an abundant number, since it is smaller than the sum of its proper divisors (41791290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29102790 is a wasteful number, since it uses less digits than its factorization.
29102790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14556.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 29102790 is about 5394.7001770256. The cubic root of 29102790 is about 307.5942470049.
It can be divided in two parts, 29102 and 790, that added together give a palindrome (29892).
The spelling of 29102790 in words is "twenty-nine million, one hundred two thousand, seven hundred ninety".
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