Base | Representation |
---|---|
bin | 110111111010… |
… | …0000100010110 |
3 | 2001011011111000 |
4 | 1233310010112 |
5 | 30000430004 |
6 | 2524124130 |
7 | 504066360 |
oct | 157640426 |
9 | 61134430 |
10 | 29311254 |
11 | 155aaa85 |
12 | 9996646 |
13 | 60c364b |
14 | 3c6dd30 |
15 | 288ec39 |
hex | 1bf4116 |
29311254 has 32 divisors (see below), whose sum is σ = 74442240. Its totient is φ = 8374536.
The previous prime is 29311253. The next prime is 29311267. The reversal of 29311254 is 45211392.
It is a super-2 number, since 2×293112542 = 1718299222105032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29311253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38394 + ... + 39149.
It is an arithmetic number, because the mean of its divisors is an integer number (2326320).
Almost surely, 229311254 is an apocalyptic number.
29311254 is an abundant number, since it is smaller than the sum of its proper divisors (45130986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29311254 is a wasteful number, since it uses less digits than its factorization.
29311254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77561 (or 77555 counting only the distinct ones).
The product of its digits is 2160, while the sum is 27.
The square root of 29311254 is about 5413.9868858356. The cubic root of 29311254 is about 308.3269354082.
The spelling of 29311254 in words is "twenty-nine million, three hundred eleven thousand, two hundred fifty-four".
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