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5021240 = 235779227
BaseRepresentation
bin10011001001111000111000
3100110002211212
4103021320320
52241134430
6255342252
760452120
oct23117070
910402755
105021240
11291a594
121821988
13106a663
14949c80
15692b95
hex4c9e38

5021240 has 64 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 1692288.

The previous prime is 5021231. The next prime is 5021243. The reversal of 5021240 is 421205.

It is a super-2 number, since 2×50212402 = 50425702275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021243) 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 15 ways as a sum of consecutive naturals, for example, 22007 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 25021240 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 5021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6566400).

5021240 is an abundant number, since it is smaller than the sum of its proper divisors (8111560).

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

5021240 is a wasteful number, since it uses less digits than its factorization.

5021240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5021240 is about 2240.8123526971. The cubic root of 5021240 is about 171.2393852088.

Adding to 5021240 its reverse (421205), we get a palindrome (5442445).

The spelling of 5021240 in words is "five million, twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 79 140 158 227 280 316 395 454 553 632 790 908 1106 1135 1580 1589 1816 2212 2270 2765 3160 3178 4424 4540 5530 6356 7945 9080 11060 12712 15890 17933 22120 31780 35866 63560 71732 89665 125531 143464 179330 251062 358660 502124 627655 717320 1004248 1255310 2510620 5021240