Base | Representation |
---|---|
bin | 101111111101… |
… | …0001100100111 |
3 | 1202022100102020 |
4 | 1133322030213 |
5 | 22414021210 |
6 | 2254514223 |
7 | 423463311 |
oct | 137721447 |
9 | 52270366 |
10 | 25142055 |
11 | 13212664 |
12 | 8505973 |
13 | 5293a73 |
14 | 34a67b1 |
15 | 2319770 |
hex | 17fa327 |
25142055 has 32 divisors (see below), whose sum is σ = 41860800. Its totient is φ = 12874752.
The previous prime is 25142041. The next prime is 25142077. The reversal of 25142055 is 55024152.
It is a happy number.
It is not a de Polignac number, because 25142055 - 211 = 25140007 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49141 + ... + 49649.
It is an arithmetic number, because the mean of its divisors is an integer number (1308150).
Almost surely, 225142055 is an apocalyptic number.
25142055 is a deficient number, since it is larger than the sum of its proper divisors (16718745).
25142055 is a wasteful number, since it uses less digits than its factorization.
25142055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643.
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 25142055 is about 5014.1853775065. The cubic root of 25142055 is about 292.9545565853.
The spelling of 25142055 in words is "twenty-five million, one hundred forty-two thousand, fifty-five".
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