Search a number
-
+
712845538 = 27141911981
BaseRepresentation
bin101010011111010…
…010100011100010
31211200100022020121
4222133102203202
52424442024123
6154422430454
723444041606
oct5237224342
91750308217
10712845538
11336423449
1217a89242a
13b48b91c2
146a95d506
15428ad75d
hex2a7d28e2

712845538 has 16 divisors (see below), whose sum is σ = 1087007040. Its totient is φ = 350534800.

The previous prime is 712845521. The next prime is 712845563. The reversal of 712845538 is 835548217.

712845538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7128455382 = 1016297522093018888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 712845494 and 712845503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53508 + ... + 65488.

It is an arithmetic number, because the mean of its divisors is an integer number (67937940).

Almost surely, 2712845538 is an apocalyptic number.

712845538 is a deficient number, since it is larger than the sum of its proper divisors (374161502).

712845538 is a wasteful number, since it uses less digits than its factorization.

712845538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473.

The product of its digits is 268800, while the sum is 43.

The square root of 712845538 is about 26699.1673652944. The cubic root of 712845538 is about 893.3023541583.

The spelling of 712845538 in words is "seven hundred twelve million, eight hundred forty-five thousand, five hundred thirty-eight".

Divisors: 1 2 71 142 419 838 11981 23962 29749 59498 850651 1701302 5020039 10040078 356422769 712845538