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5112740 = 225255637
BaseRepresentation
bin10011100000001110100100
3100121202100202
4103200032210
52302101430
6301330032
761312643
oct23401644
910552322
105112740
112982306
121866918
1310a01b9
1497135a
156aed45
hex4e03a4

5112740 has 12 divisors (see below), whose sum is σ = 10736796. Its totient is φ = 2045088.

The previous prime is 5112727. The next prime is 5112749. The reversal of 5112740 is 472115.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 4571044 = 736^2 + 2138^2 .

It is a super-2 number, since 2×51127402 = 52280220615200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 255637 = 5112740 / (5 + 1 + 1 + 2 + 7 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (5112749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127799 + ... + 127838.

It is an arithmetic number, because the mean of its divisors is an integer number (894733).

Almost surely, 25112740 is an apocalyptic number.

It is an amenable number.

5112740 is an abundant number, since it is smaller than the sum of its proper divisors (5624056).

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

5112740 is a wasteful number, since it uses less digits than its factorization.

5112740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255646 (or 255644 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 5112740 is about 2261.1368821900. The cubic root of 5112740 is about 172.2732721057.

Adding to 5112740 its reverse (472115), we get a palindrome (5584855).

The spelling of 5112740 in words is "five million, one hundred twelve thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 255637 511274 1022548 1278185 2556370 5112740