Base | Representation |
---|---|
bin | 101111111101… |
… | …0001101011010 |
3 | 1202022100111010 |
4 | 1133322031122 |
5 | 22414021411 |
6 | 2254514350 |
7 | 423463413 |
oct | 137721532 |
9 | 52270433 |
10 | 25142106 |
11 | 13212700 |
12 | 85059b6 |
13 | 5293ab2 |
14 | 34a680a |
15 | 23197a6 |
hex | 17fa35a |
25142106 has 24 divisors (see below), whose sum is σ = 55272672. Its totient is φ = 7618600.
The previous prime is 25142093. The next prime is 25142107. The reversal of 25142106 is 60124152.
It is not an unprimeable number, because it can be changed into a prime (25142107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16590 + ... + 18041.
It is an arithmetic number, because the mean of its divisors is an integer number (2303028).
Almost surely, 225142106 is an apocalyptic number.
25142106 is an abundant number, since it is smaller than the sum of its proper divisors (30130566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25142106 is a wasteful number, since it uses less digits than its factorization.
25142106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34658 (or 34647 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 25142106 is about 5014.1904630758. The cubic root of 25142106 is about 292.9547546687.
Adding to 25142106 its reverse (60124152), we get a palindrome (85266258).
The spelling of 25142106 in words is "twenty-five million, one hundred forty-two thousand, one hundred six".
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