Base | Representation |
---|---|
bin | 110000001010… |
… | …0100111010000 |
3 | 1202111211211200 |
4 | 1200110213100 |
5 | 22431002011 |
6 | 2301111200 |
7 | 424423623 |
oct | 140244720 |
9 | 52454750 |
10 | 25250256 |
11 | 13286989 |
12 | 8558500 |
13 | 53010a5 |
14 | 34d3dba |
15 | 233b856 |
hex | 18149d0 |
25250256 has 30 divisors (see below), whose sum is σ = 70666050. Its totient is φ = 8416704.
The previous prime is 25250237. The next prime is 25250257. The reversal of 25250256 is 65205252.
It can be written as a sum of positive squares in only one way, i.e., 25160256 + 90000 = 5016^2 + 300^2 .
It is a super-3 number, since 3×252502563 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25250257) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87531 + ... + 87818.
It is an arithmetic number, because the mean of its divisors is an integer number (2355535).
Almost surely, 225250256 is an apocalyptic number.
It is an amenable number.
25250256 is an abundant number, since it is smaller than the sum of its proper divisors (45415794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25250256 is a wasteful number, since it uses less digits than its factorization.
25250256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175363 (or 175354 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 25250256 is about 5024.9632834479. The cubic root of 25250256 is about 293.3742068847.
The spelling of 25250256 in words is "twenty-five million, two hundred fifty thousand, two hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •