Base | Representation |
---|---|
bin | 111000000010… |
… | …1001001010000 |
3 | 2001021201102121 |
4 | 1300011021100 |
5 | 30010144300 |
6 | 2525424024 |
7 | 504510322 |
oct | 160051120 |
9 | 61251377 |
10 | 29381200 |
11 | 15648592 |
12 | 9a0b014 |
13 | 6119434 |
14 | 3c8b612 |
15 | 28a581a |
hex | 1c05250 |
29381200 has 30 divisors (see below), whose sum is σ = 70589294. Its totient is φ = 11752320.
The previous prime is 29381179. The next prime is 29381221. The reversal of 29381200 is 218392.
It is an interprime number because it is at equal distance from previous prime (29381179) and next prime (29381221).
It can be written as a sum of positive squares in 3 ways, for example, as 3125824 + 26255376 = 1768^2 + 5124^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36327 + ... + 37126.
Almost surely, 229381200 is an apocalyptic number.
29381200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29381200 is an abundant number, since it is smaller than the sum of its proper divisors (41208094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29381200 is a wasteful number, since it uses less digits than its factorization.
29381200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73471 (or 73460 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 29381200 is about 5420.4427863414. The cubic root of 29381200 is about 308.5719960470.
Adding to 29381200 its reverse (218392), we get a palindrome (29599592).
The spelling of 29381200 in words is "twenty-nine million, three hundred eighty-one thousand, two hundred".
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