Base | Representation |
---|---|
bin | 110111110111… |
… | …1010101111101 |
3 | 2001010011221020 |
4 | 1233233111331 |
5 | 24444320101 |
6 | 2523454353 |
7 | 503656062 |
oct | 157572575 |
9 | 61104836 |
10 | 29291901 |
11 | 15597491 |
12 | 99873b9 |
13 | 60b78b2 |
14 | 3c66c69 |
15 | 2889136 |
hex | 1bef57d |
29291901 has 48 divisors (see below), whose sum is σ = 45866304. Its totient is φ = 16547328.
The previous prime is 29291893. The next prime is 29291909. The reversal of 29291901 is 10919292.
It is an interprime number because it is at equal distance from previous prime (29291893) and next prime (29291909).
It is not a de Polignac number, because 29291901 - 23 = 29291893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29291909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681186 + ... + 681228.
It is an arithmetic number, because the mean of its divisors is an integer number (955548).
Almost surely, 229291901 is an apocalyptic number.
It is an amenable number.
29291901 is a deficient number, since it is larger than the sum of its proper divisors (16574403).
29291901 is a wasteful number, since it uses less digits than its factorization.
29291901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 33.
The square root of 29291901 is about 5412.1992757104. The cubic root of 29291901 is about 308.2590619908.
The spelling of 29291901 in words is "twenty-nine million, two hundred ninety-one thousand, nine hundred one".
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