Base | Representation |
---|---|
bin | 110000011011… |
… | …0100101011001 |
3 | 1202202220201012 |
4 | 1200312211121 |
5 | 22444430101 |
6 | 2304103305 |
7 | 425543402 |
oct | 140664531 |
9 | 52686635 |
10 | 25389401 |
11 | 13371484 |
12 | 8604b35 |
13 | 534c51b |
14 | 352c9a9 |
15 | 2367bbb |
hex | 1836959 |
25389401 has 8 divisors (see below), whose sum is σ = 26577600. Its totient is φ = 24208272.
The previous prime is 25389391. The next prime is 25389409. The reversal of 25389401 is 10498352.
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 25389401 - 26 = 25389337 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (25389409) 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, 6446 + ... + 9608.
It is an arithmetic number, because the mean of its divisors is an integer number (3322200).
Almost surely, 225389401 is an apocalyptic number.
It is an amenable number.
25389401 is a deficient number, since it is larger than the sum of its proper divisors (1188199).
25389401 is a wasteful number, since it uses less digits than its factorization.
25389401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3535.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 25389401 is about 5038.7896364107. The cubic root of 25389401 is about 293.9121129622.
The spelling of 25389401 in words is "twenty-five million, three hundred eighty-nine thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •