Base | Representation |
---|---|
bin | 111001001100… |
… | …1100010111111 |
3 | 2002102121020202 |
4 | 1302121202333 |
5 | 30134122210 |
6 | 2550434115 |
7 | 512621435 |
oct | 162314277 |
9 | 62377222 |
10 | 29989055 |
11 | 15a23248 |
12 | a06293b |
13 | 62a0005 |
14 | 3da8d55 |
15 | 29759a5 |
hex | 1c998bf |
29989055 has 16 divisors (see below), whose sum is σ = 37756800. Its totient is φ = 22839552.
The previous prime is 29989027. The next prime is 29989109. The reversal of 29989055 is 55098992.
It is a cyclic number.
It is not a de Polignac number, because 29989055 - 26 = 29988991 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
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, 6971 + ... + 10419.
It is an arithmetic number, because the mean of its divisors is an integer number (2359800).
Almost surely, 229989055 is an apocalyptic number.
29989055 is a deficient number, since it is larger than the sum of its proper divisors (7767745).
29989055 is a wasteful number, since it uses less digits than its factorization.
29989055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3538.
The product of its (nonzero) digits is 291600, while the sum is 47.
The square root of 29989055 is about 5476.2263466734. The cubic root of 29989055 is about 310.6854585993.
The spelling of 29989055 in words is "twenty-nine million, nine hundred eighty-nine thousand, fifty-five".
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