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2245524541 = 13172732657
BaseRepresentation
bin1000010111010111…
…1111110000111101
312210111100110120121
42011311333300331
514044323241131
61010453214541
7106434433531
oct20565776075
95714313517
102245524541
11a525a3907
12528031451
1329a2b0960
1417432bbc1
15d2210911
hex85d7fc3d

2245524541 has 4 divisors (see below), whose sum is σ = 2418257212. Its totient is φ = 2072791872.

The previous prime is 2245524539. The next prime is 2245524551. The reversal of 2245524541 is 1454255422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1454255422 = 2727127711.

It can be written as a sum of positive squares in 2 ways, for example, as 374616025 + 1870908516 = 19355^2 + 43254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245524541 - 21 = 2245524539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2245524497 and 2245524506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245524521) 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, 86366316 + ... + 86366341.

It is an arithmetic number, because the mean of its divisors is an integer number (604564303).

Almost surely, 22245524541 is an apocalyptic number.

It is an amenable number.

2245524541 is a deficient number, since it is larger than the sum of its proper divisors (172732671).

2245524541 is a wasteful number, since it uses less digits than its factorization.

2245524541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172732670.

The product of its digits is 64000, while the sum is 34.

The square root of 2245524541 is about 47386.9659400135. The cubic root of 2245524541 is about 1309.5013040698.

Adding to 2245524541 its reverse (1454255422), we get a palindrome (3699779963).

The spelling of 2245524541 in words is "two billion, two hundred forty-five million, five hundred twenty-four thousand, five hundred forty-one".

Divisors: 1 13 172732657 2245524541