Base | Representation |
---|---|
bin | 101111111101… |
… | …0010001001100 |
3 | 1202022100211002 |
4 | 1133322101030 |
5 | 22414023343 |
6 | 2254515432 |
7 | 423464210 |
oct | 137722114 |
9 | 52270732 |
10 | 25142348 |
11 | 13212900 |
12 | 8505b78 |
13 | 5293c3a |
14 | 34a6940 |
15 | 23198b8 |
hex | 17fa44c |
25142348 has 72 divisors (see below), whose sum is σ = 56932512. Its totient is φ = 9504000.
The previous prime is 25142347. The next prime is 25142363. The reversal of 25142348 is 84324152.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 25142348.
It is not an unprimeable number, because it can be changed into a prime (25142347) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138818 + ... + 138998.
Almost surely, 225142348 is an apocalyptic number.
25142348 is a gapful number since it is divisible by the number (28) 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 25142348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28466256).
25142348 is an abundant number, since it is smaller than the sum of its proper divisors (31790164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25142348 is a wasteful number, since it uses less digits than its factorization.
25142348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255 (or 242 counting only the distinct ones).
The product of its digits is 7680, while the sum is 29.
The square root of 25142348 is about 5014.2145945302. The cubic root of 25142348 is about 292.9556945903.
The spelling of 25142348 in words is "twenty-five million, one hundred forty-two thousand, three hundred forty-eight".
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