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5244140 = 225113197
BaseRepresentation
bin10100000000010011101100
3100212102121102
4110000103230
52320303030
6304222232
762401016
oct24002354
910772542
105244140
112a62000
12190a978
131117c55
149a71b6
156d8c45
hex5004ec

5244140 has 48 divisors (see below), whose sum is σ = 12174624. Its totient is φ = 1897280.

The previous prime is 5244139. The next prime is 5244167. The reversal of 5244140 is 414425.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26522 + ... + 26718.

It is an arithmetic number, because the mean of its divisors is an integer number (253638).

Almost surely, 25244140 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 5244140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6087312).

5244140 is an abundant number, since it is smaller than the sum of its proper divisors (6930484).

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

5244140 is a wasteful number, since it uses less digits than its factorization.

5244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 5244140 is about 2290.0087336078. The cubic root of 5244140 is about 173.7366430393.

Adding to 5244140 its reverse (414425), we get a palindrome (5658565).

It can be divided in two parts, 524 and 4140, that added together give a palindrome (4664).

The spelling of 5244140 in words is "five million, two hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 197 220 242 394 484 605 788 985 1210 1331 1970 2167 2420 2662 3940 4334 5324 6655 8668 10835 13310 21670 23837 26620 43340 47674 95348 119185 238370 262207 476740 524414 1048828 1311035 2622070 5244140