Base | Representation |
---|---|
bin | 111000001000… |
… | …1000001000110 |
3 | 2001101012010201 |
4 | 1300101001012 |
5 | 30013223310 |
6 | 2530441114 |
7 | 505102153 |
oct | 160210106 |
9 | 61335121 |
10 | 29429830 |
11 | 15681081 |
12 | 9a3319a |
13 | 6135601 |
14 | 3ca122a |
15 | 28b4e3a |
hex | 1c11046 |
29429830 has 16 divisors (see below), whose sum is σ = 53246160. Its totient is φ = 11711392.
The previous prime is 29429821. The next prime is 29429831. The reversal of 29429830 is 3892492.
It is a super-2 number, since 2×294298302 = 1732229787657800, 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 29429830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29429831) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5500 + ... + 9439.
It is an arithmetic number, because the mean of its divisors is an integer number (3327885).
Almost surely, 229429830 is an apocalyptic number.
29429830 is a deficient number, since it is larger than the sum of its proper divisors (23816330).
29429830 is a wasteful number, since it uses less digits than its factorization.
29429830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15143.
The product of its (nonzero) digits is 31104, while the sum is 37.
The square root of 29429830 is about 5424.9267276158. The cubic root of 29429830 is about 308.7421454945.
The spelling of 29429830 in words is "twenty-nine million, four hundred twenty-nine thousand, eight hundred thirty".
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