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6243240 = 233552027
BaseRepresentation
bin10111110100001110101000
3102202012010010
4113310032220
53044240430
6341451520
7104031603
oct27641650
912665103
106243240
113584703
122110ba0
1313a7933
14b8733a
15834cb0
hex5f43a8

6243240 has 32 divisors (see below), whose sum is σ = 18730080. Its totient is φ = 1664832.

The previous prime is 6243239. The next prime is 6243247. The reversal of 6243240 is 423426.

6243240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6243247) 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, 25894 + ... + 26133.

It is an arithmetic number, because the mean of its divisors is an integer number (585315).

Almost surely, 26243240 is an apocalyptic number.

6243240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6243240 is an abundant number, since it is smaller than the sum of its proper divisors (12486840).

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

6243240 is a wasteful number, since it uses less digits than its factorization.

6243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52041 (or 52037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6243240 is about 2498.6476342214. The cubic root of 6243240 is about 184.1351401665.

Adding to 6243240 its reverse (423426), we get a palindrome (6666666).

The spelling of 6243240 in words is "six million, two hundred forty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 52027 104054 156081 208108 260135 312162 416216 520270 624324 780405 1040540 1248648 1560810 2081080 3121620 6243240