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5222240 = 255127257
BaseRepresentation
bin10011111010111101100000
3100211022120022
4103322331200
52314102430
6303533012
762250122
oct23727540
910738508
105222240
112a47601
1218ba168
13110acaa
1499d212
156d24e5
hex4faf60

5222240 has 48 divisors (see below), whose sum is σ = 12483072. Its totient is φ = 2064384.

The previous prime is 5222237. The next prime is 5222251. The reversal of 5222240 is 422225.

5222240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20192 + ... + 20448.

It is an arithmetic number, because the mean of its divisors is an integer number (260064).

Almost surely, 25222240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6241536).

5222240 is an abundant number, since it is smaller than the sum of its proper divisors (7260832).

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

5222240 is a wasteful number, since it uses less digits than its factorization.

5222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 5222240 is about 2285.2220898635. Note that the first 3 decimals coincide. The cubic root of 5222240 is about 173.4944589858.

Adding to 5222240 its reverse (422225), we get a palindrome (5644465).

The spelling of 5222240 in words is "five million, two hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 127 160 254 257 508 514 635 1016 1028 1270 1285 2032 2056 2540 2570 4064 4112 5080 5140 8224 10160 10280 20320 20560 32639 41120 65278 130556 163195 261112 326390 522224 652780 1044448 1305560 2611120 5222240