Base | Representation |
---|---|
bin | 111000110101… |
… | …1101100100101 |
3 | 2002002001122010 |
4 | 1301223230211 |
5 | 30112120003 |
6 | 2542424433 |
7 | 511210056 |
oct | 161535445 |
9 | 62061563 |
10 | 29801253 |
11 | 15905139 |
12 | 9b92119 |
13 | 62356a1 |
14 | 3d5a72d |
15 | 293a003 |
hex | 1c6bb25 |
29801253 has 8 divisors (see below), whose sum is σ = 41826400. Its totient is φ = 18821808.
The previous prime is 29801251. The next prime is 29801257. The reversal of 29801253 is 35210892.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29801253 - 21 = 29801251 is a prime.
It is a super-2 number, since 2×298012532 = 1776229360740018, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 29801253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29801251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261358 + ... + 261471.
It is an arithmetic number, because the mean of its divisors is an integer number (5228300).
Almost surely, 229801253 is an apocalyptic number.
It is an amenable number.
29801253 is a deficient number, since it is larger than the sum of its proper divisors (12025147).
29801253 is a wasteful number, since it uses less digits than its factorization.
29801253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522851.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 29801253 is about 5459.0523902963. The cubic root of 29801253 is about 310.0355595698.
The spelling of 29801253 in words is "twenty-nine million, eight hundred one thousand, two hundred fifty-three".
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