Base | Representation |
---|---|
bin | 110000001001… |
… | …0011101010000 |
3 | 1202111101201120 |
4 | 1200102131100 |
5 | 22430211144 |
6 | 2301002240 |
7 | 424356105 |
oct | 140223520 |
9 | 52441646 |
10 | 25241424 |
11 | 1328028a |
12 | 8553380 |
13 | 52ca070 |
14 | 34d0aac |
15 | 2338e19 |
hex | 1812750 |
25241424 has 80 divisors (see below), whose sum is σ = 73953600. Its totient is φ = 7354368.
The previous prime is 25241401. The next prime is 25241431. The reversal of 25241424 is 42414252.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 25241394 and 25241403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10792 + ... + 12920.
It is an arithmetic number, because the mean of its divisors is an integer number (924420).
Almost surely, 225241424 is an apocalyptic number.
25241424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25241424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36976800).
25241424 is an abundant number, since it is smaller than the sum of its proper divisors (48712176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25241424 is a wasteful number, since it uses less digits than its factorization.
25241424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2172 (or 2166 counting only the distinct ones).
The product of its digits is 2560, while the sum is 24.
The square root of 25241424 is about 5024.0843941956. The cubic root of 25241424 is about 293.3399975529.
Adding to 25241424 its reverse (42414252), we get a palindrome (67655676).
The spelling of 25241424 in words is "twenty-five million, two hundred forty-one thousand, four hundred twenty-four".
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