Base | Representation |
---|---|
bin | 110000001100… |
… | …1111100000111 |
3 | 1202112221202122 |
4 | 1200121330013 |
5 | 22432201241 |
6 | 2301400155 |
7 | 424544336 |
oct | 140317407 |
9 | 52487678 |
10 | 25272071 |
11 | 132a1310 |
12 | 856905b |
13 | 530acb6 |
14 | 34dbd1d |
15 | 234304b |
hex | 1819f07 |
25272071 has 8 divisors (see below), whose sum is σ = 29020800. Its totient is φ = 21765240.
The previous prime is 25272061. The next prime is 25272077. The reversal of 25272071 is 17027252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25272071 - 218 = 25009927 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 25272071.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25272077) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60251 + ... + 60668.
It is an arithmetic number, because the mean of its divisors is an integer number (3627600).
Almost surely, 225272071 is an apocalyptic number.
25272071 is a deficient number, since it is larger than the sum of its proper divisors (3748729).
25272071 is a wasteful number, since it uses less digits than its factorization.
25272071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120949.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 25272071 is about 5027.1334774402. The cubic root of 25272071 is about 293.4586696075.
The spelling of 25272071 in words is "twenty-five million, two hundred seventy-two thousand, seventy-one".
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