Search a number
-
+
7625131684 = 22436612
BaseRepresentation
bin1110001100111111…
…00100011010100100
3201200102000211020121
413012133210122210
5111104013203214
63300345011324
7356646356422
oct70637443244
921612024217
107625131684
113263208325
121589783b44
13946990951
145249a6112
152e964d424
hex1c67e46a4

7625131684 has 9 divisors (see below), whose sum is σ = 13344286081. Its totient is φ = 3812478520.

The previous prime is 7625131673. The next prime is 7625131727. The reversal of 7625131684 is 4861315267.

The square root of 7625131684 is 87322.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6793386084 + 831745600 = 82422^2 + 28840^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7625131684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 152814 + ... + 196474.

Almost surely, 27625131684 is an apocalyptic number.

7625131684 is the 87322-nd square number.

It is an amenable number.

7625131684 is a deficient number, since it is larger than the sum of its proper divisors (5719154397).

7625131684 is an frugal number, since it uses more digits than its factorization.

7625131684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87326 (or 43663 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The cubic root of 7625131684 is about 1968.2599220584.

The spelling of 7625131684 in words is "seven billion, six hundred twenty-five million, one hundred thirty-one thousand, six hundred eighty-four".

Divisors: 1 2 4 43661 87322 174644 1906282921 3812565842 7625131684