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2542230 = 232547601
BaseRepresentation
bin1001101100101010010110
311210011021200
421230222112
51122322410
6130253330
730415515
oct11545226
94704250
102542230
111487019
12a27246
136b01a2
144a267c
153533c0
hex26ca96

2542230 has 48 divisors (see below), whose sum is σ = 6761664. Its totient is φ = 662400.

The previous prime is 2542229. The next prime is 2542237. The reversal of 2542230 is 322452.

2542230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3930 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (140868).

22542230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3380832).

2542230 is an abundant number, since it is smaller than the sum of its proper divisors (4219434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542230 is a wasteful number, since it uses less digits than its factorization.

2542230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2542230 is about 1594.4372047842. The cubic root of 2542230 is about 136.4808168510.

Adding to 2542230 its reverse (322452), we get a palindrome (2864682).

It can be divided in two parts, 25422 and 30, that added together give a palindrome (25452).

The spelling of 2542230 in words is "two million, five hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 47 90 94 141 235 282 423 470 601 705 846 1202 1410 1803 2115 3005 3606 4230 5409 6010 9015 10818 18030 27045 28247 54090 56494 84741 141235 169482 254223 282470 423705 508446 847410 1271115 2542230