Base | Representation |
---|---|
bin | 111000000111… |
… | …0011110100111 |
3 | 2001100122212120 |
4 | 1300032132213 |
5 | 30012410211 |
6 | 2530321023 |
7 | 505026636 |
oct | 160163647 |
9 | 61318776 |
10 | 29419431 |
11 | 15674288 |
12 | 9a29173 |
13 | 6130962 |
14 | 3c9b51d |
15 | 28b1d06 |
hex | 1c0e7a7 |
29419431 has 4 divisors (see below), whose sum is σ = 39225912. Its totient is φ = 19612952.
The previous prime is 29419417. The next prime is 29419441. The reversal of 29419431 is 13491492.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 29419431 - 211 = 29417383 is a prime.
It is a super-2 number, since 2×294194312 = 1731005840727522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 29419392 and 29419401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29419441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903236 + ... + 4903241.
It is an arithmetic number, because the mean of its divisors is an integer number (9806478).
Almost surely, 229419431 is an apocalyptic number.
29419431 is a deficient number, since it is larger than the sum of its proper divisors (9806481).
29419431 is an equidigital number, since it uses as much as digits as its factorization.
29419431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9806480.
The product of its digits is 7776, while the sum is 33.
The square root of 29419431 is about 5423.9681968094. The cubic root of 29419431 is about 308.7057766379.
The spelling of 29419431 in words is "twenty-nine million, four hundred nineteen thousand, four hundred thirty-one".
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