Search a number
-
+
4975297525 = 521118091991
BaseRepresentation
bin1001010001000110…
…10000001111110101
3110211201220022010201
410220203100033311
540142134010100
62141405520501
7234202221412
oct45043201765
913751808121
104975297525
112123475740
12b6a273131
136139bcc43
14352ab1109
151e1bc736a
hex1288d03f5

4975297525 has 12 divisors (see below), whose sum is σ = 6730221024. Its totient is φ = 3618398000.

The previous prime is 4975297493. The next prime is 4975297531. The reversal of 4975297525 is 5257925794.

4975297525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4975297525 - 25 = 4975297493 is a prime.

It is a super-2 number, since 2×49752975252 = 49507170924542251250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9045721 + ... + 9046270.

It is an arithmetic number, because the mean of its divisors is an integer number (560851752).

Almost surely, 24975297525 is an apocalyptic number.

It is an amenable number.

4975297525 is a deficient number, since it is larger than the sum of its proper divisors (1754923499).

4975297525 is a wasteful number, since it uses less digits than its factorization.

4975297525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092012 (or 18092007 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 55.

The square root of 4975297525 is about 70535.7889656024. The cubic root of 4975297525 is about 1707.1552538196.

It can be divided in two parts, 4975 and 297525, that added together give a square (302500 = 5502).

The spelling of 4975297525 in words is "four billion, nine hundred seventy-five million, two hundred ninety-seven thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 18091991 90459955 199011901 452299775 995059505 4975297525