Base | Representation |
---|---|
bin | 111000011000… |
… | …1000010000001 |
3 | 2001121212000102 |
4 | 1300301002001 |
5 | 30031422321 |
6 | 2533332145 |
7 | 506156363 |
oct | 160610201 |
9 | 61555012 |
10 | 29560961 |
11 | 15760651 |
12 | 9a97055 |
13 | 61801c1 |
14 | 3cd6d33 |
15 | 28ddc0b |
hex | 1c31081 |
29560961 has 4 divisors (see below), whose sum is σ = 29578500. Its totient is φ = 29543424.
The previous prime is 29560939. The next prime is 29561009. The reversal of 29560961 is 16906592.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 20295025 = 3044^2 + 4505^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-29560961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29560361) 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, 5936 + ... + 9713.
It is an arithmetic number, because the mean of its divisors is an integer number (7394625).
Almost surely, 229560961 is an apocalyptic number.
29560961 is the 2432-nd centered decagonal number.
It is an amenable number.
29560961 is a deficient number, since it is larger than the sum of its proper divisors (17539).
29560961 is a wasteful number, since it uses less digits than its factorization.
29560961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17538.
The product of its (nonzero) digits is 29160, while the sum is 38.
The square root of 29560961 is about 5436.9992643001. Note that the first 3 decimals coincide. The cubic root of 29560961 is about 309.2000220073.
The spelling of 29560961 in words is "twenty-nine million, five hundred sixty thousand, nine hundred sixty-one".
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