Base | Representation |
---|---|
bin | 110000010101… |
… | …1000110101100 |
3 | 1202200112012200 |
4 | 1200223012230 |
5 | 22441424010 |
6 | 2303101500 |
7 | 425256330 |
oct | 140530654 |
9 | 52615180 |
10 | 25342380 |
11 | 1333a118 |
12 | 85a1890 |
13 | 5333cbb |
14 | 35197c0 |
15 | 2358cc0 |
hex | 182b1ac |
25342380 has 72 divisors (see below), whose sum is σ = 87857952. Its totient is φ = 5792256.
The previous prime is 25342379. The next prime is 25342381. The reversal of 25342380 is 8324352.
It is an interprime number because it is at equal distance from previous prime (25342379) and next prime (25342381).
It is not an unprimeable number, because it can be changed into a prime (25342381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8797 + ... + 11316.
Almost surely, 225342380 is an apocalyptic number.
25342380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25342380 is an abundant number, since it is smaller than the sum of its proper divisors (62515572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25342380 is a wasteful number, since it uses less digits than its factorization.
25342380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20135 (or 20130 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 25342380 is about 5034.1215718336. The cubic root of 25342380 is about 293.7305597517.
The spelling of 25342380 in words is "twenty-five million, three hundred forty-two thousand, three hundred eighty".
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