Base | Representation |
---|---|
bin | 1001101111110100110110 |
3 | 11210211001200 |
4 | 21233310312 |
5 | 1123231230 |
6 | 130433330 |
7 | 30501351 |
oct | 11576466 |
9 | 4724050 |
10 | 2555190 |
11 | 1495830 |
12 | a32846 |
13 | 6b6061 |
14 | 4a7298 |
15 | 357160 |
hex | 26fd36 |
2555190 has 96 divisors (see below), whose sum is σ = 7581600. Its totient is φ = 591360.
The previous prime is 2555173. The next prime is 2555191. The reversal of 2555190 is 915552.
2555190 is a `hidden beast` number, since 25 + 551 + 90 = 666.
2555190 is a nontrivial binomial coefficient, being equal to C(90, 4).
It is a super-2 number, since 2×25551902 = 13057991872200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2555191) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28666 + ... + 28754.
It is an arithmetic number, because the mean of its divisors is an integer number (78975).
22555190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2555190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790800).
2555190 is an abundant number, since it is smaller than the sum of its proper divisors (5026410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2555190 is a wasteful number, since it uses less digits than its factorization.
2555190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142 (or 139 counting only the distinct ones).
The product of its (nonzero) digits is 2250, while the sum is 27.
The square root of 2555190 is about 1598.4961682782. The cubic root of 2555190 is about 136.7123450986.
It can be divided in two parts, 255 and 5190, that added together give a palindrome (5445).
The spelling of 2555190 in words is "two million, five hundred fifty-five thousand, one hundred ninety".
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