Search a number
-
+
3744542525 = 52149781701
BaseRepresentation
bin1101111100110001…
…0010111100111101
3100122222000110200012
43133030102330331
530132100330100
61415322313005
7161536041413
oct33714227475
910588013605
103744542525
111651773249
12886058765
13478a1ac49
142774572b3
1516db14135
hexdf312f3d

3744542525 has 6 divisors (see below), whose sum is σ = 4643232762. Its totient is φ = 2995634000.

The previous prime is 3744542521. The next prime is 3744542533. The reversal of 3744542525 is 5252454473.

It can be written as a sum of positive squares in 3 ways, for example, as 280160644 + 3464381881 = 16738^2 + 58859^2 .

It is not a de Polignac number, because 3744542525 - 22 = 3744542521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3744542521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74890826 + ... + 74890875.

It is an arithmetic number, because the mean of its divisors is an integer number (773872127).

Almost surely, 23744542525 is an apocalyptic number.

It is an amenable number.

3744542525 is a deficient number, since it is larger than the sum of its proper divisors (898690237).

3744542525 is a wasteful number, since it uses less digits than its factorization.

3744542525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149781711 (or 149781706 counting only the distinct ones).

The product of its digits is 672000, while the sum is 41.

The square root of 3744542525 is about 61192.6672486173. The cubic root of 3744542525 is about 1552.8622140133.

Adding to 3744542525 its reverse (5252454473), we get a palindrome (8996996998).

The spelling of 3744542525 in words is "three billion, seven hundred forty-four million, five hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 149781701 748908505 3744542525