Base | Representation |
---|---|
bin | 111001001001… |
… | …0110010000001 |
3 | 2002101012020110 |
4 | 1302102302001 |
5 | 30132230340 |
6 | 2550101533 |
7 | 512444601 |
oct | 162226201 |
9 | 62335213 |
10 | 29961345 |
11 | 15a04447 |
12 | a04a8a9 |
13 | 629050b |
14 | 3d9cc01 |
15 | 296c680 |
hex | 1c92c81 |
29961345 has 16 divisors (see below), whose sum is σ = 49485312. Its totient is φ = 15463680.
The previous prime is 29961343. The next prime is 29961389. The reversal of 29961345 is 54316992.
It is not a de Polignac number, because 29961345 - 21 = 29961343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (29961343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31752 + ... + 32681.
It is an arithmetic number, because the mean of its divisors is an integer number (3092832).
Almost surely, 229961345 is an apocalyptic number.
It is an amenable number.
29961345 is a deficient number, since it is larger than the sum of its proper divisors (19523967).
29961345 is a wasteful number, since it uses less digits than its factorization.
29961345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64472.
The product of its digits is 58320, while the sum is 39.
The square root of 29961345 is about 5473.6957350587. The cubic root of 29961345 is about 310.5897375990.
The spelling of 29961345 in words is "twenty-nine million, nine hundred sixty-one thousand, three hundred forty-five".
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