Base | Representation |
---|---|
bin | 111001001101… |
… | …0110001001001 |
3 | 2002102212010000 |
4 | 1302122301021 |
5 | 30134302212 |
6 | 2550513213 |
7 | 512642142 |
oct | 162326111 |
9 | 62385100 |
10 | 29994057 |
11 | 15a26a85 |
12 | a065809 |
13 | 62a2382 |
14 | 3daaac9 |
15 | 29771dc |
hex | 1c9ac49 |
29994057 has 20 divisors (see below), whose sum is σ = 44975700. Its totient is φ = 19920384.
The previous prime is 29994031. The next prime is 29994061. The reversal of 29994057 is 75049992.
It can be written as a sum of positive squares in 2 ways, for example, as 20575296 + 9418761 = 4536^2 + 3069^2 .
It is not a de Polignac number, because 29994057 - 211 = 29992009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (29994017) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28069 + ... + 29117.
It is an arithmetic number, because the mean of its divisors is an integer number (2248785).
Almost surely, 229994057 is an apocalyptic number.
29994057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
29994057 is a deficient number, since it is larger than the sum of its proper divisors (14981643).
29994057 is a wasteful number, since it uses less digits than its factorization.
29994057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1414 (or 1405 counting only the distinct ones).
The product of its (nonzero) digits is 204120, while the sum is 45.
The square root of 29994057 is about 5476.6830289875. The cubic root of 29994057 is about 310.7027311484.
It can be divided in two parts, 2999 and 4057, that added together give a square (7056 = 842).
The spelling of 29994057 in words is "twenty-nine million, nine hundred ninety-four thousand, fifty-seven".
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