Base | Representation |
---|---|
bin | 111001001100… |
… | …1111111101111 |
3 | 2002102200202220 |
4 | 1302121333233 |
5 | 30134202040 |
6 | 2550450423 |
7 | 512630004 |
oct | 162317757 |
9 | 62380686 |
10 | 29990895 |
11 | 15a24670 |
12 | a063a13 |
13 | 62a0abc |
14 | 3da98ab |
15 | 29762d0 |
hex | 1c99fef |
29990895 has 16 divisors (see below), whose sum is σ = 52348032. Its totient is φ = 14540960.
The previous prime is 29990887. The next prime is 29990903. The reversal of 29990895 is 59809992.
It is an interprime number because it is at equal distance from previous prime (29990887) and next prime (29990903).
It is not a de Polignac number, because 29990895 - 23 = 29990887 is a prime.
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, 90717 + ... + 91046.
It is an arithmetic number, because the mean of its divisors is an integer number (3271752).
Almost surely, 229990895 is an apocalyptic number.
29990895 is a deficient number, since it is larger than the sum of its proper divisors (22357137).
29990895 is a wasteful number, since it uses less digits than its factorization.
29990895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181782.
The product of its (nonzero) digits is 524880, while the sum is 51.
The square root of 29990895 is about 5476.3943429961. The cubic root of 29990895 is about 310.6918125792.
It can be divided in two parts, 299908 and 95, that added together give a palindrome (300003).
The spelling of 29990895 in words is "twenty-nine million, nine hundred ninety thousand, eight hundred ninety-five".
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