Base | Representation |
---|---|
bin | 110111110110… |
… | …0110001000101 |
3 | 2001002122110102 |
4 | 1233230301011 |
5 | 24444000344 |
6 | 2523333445 |
7 | 503613236 |
oct | 157546105 |
9 | 61078412 |
10 | 29281349 |
11 | 1558a569 |
12 | 9981285 |
13 | 60b2b56 |
14 | 3c6308d |
15 | 2885e4e |
hex | 1becc45 |
29281349 has 4 divisors (see below), whose sum is σ = 29309280. Its totient is φ = 29253420.
The previous prime is 29281333. The next prime is 29281363. The reversal of 29281349 is 94318292.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 29281349 - 24 = 29281333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29281649) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12329 + ... + 14510.
It is an arithmetic number, because the mean of its divisors is an integer number (7327320).
Almost surely, 229281349 is an apocalyptic number.
It is an amenable number.
29281349 is a deficient number, since it is larger than the sum of its proper divisors (27931).
29281349 is a wasteful number, since it uses less digits than its factorization.
29281349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27930.
The product of its digits is 31104, while the sum is 38.
The square root of 29281349 is about 5411.2243531386. The cubic root of 29281349 is about 308.2220421984. Note that the first 3 decimals are identical.
The spelling of 29281349 in words is "twenty-nine million, two hundred eighty-one thousand, three hundred forty-nine".
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