Search a number
-
+
3731040141 = 31243680047
BaseRepresentation
bin1101111001100011…
…0010011110001101
3100122000121110212220
43132120302132031
530120121241031
61414121045553
7161313214023
oct33630623615
910560543786
103731040141
111645090754
128816268b9
13475ca117a
14275740713
1516c848596
hexde63278d

3731040141 has 4 divisors (see below), whose sum is σ = 4974720192. Its totient is φ = 2487360092.

The previous prime is 3731040101. The next prime is 3731040149. The reversal of 3731040141 is 1410401373.

3731040141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410401373 = 3470133791.

It is a cyclic number.

It is not a de Polignac number, because 3731040141 - 29 = 3731039629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731040149) 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, 621840021 + ... + 621840026.

It is an arithmetic number, because the mean of its divisors is an integer number (1243680048).

Almost surely, 23731040141 is an apocalyptic number.

It is an amenable number.

3731040141 is a deficient number, since it is larger than the sum of its proper divisors (1243680051).

3731040141 is a wasteful number, since it uses less digits than its factorization.

3731040141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243680050.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3731040141 is about 61082.2407987788. The cubic root of 3731040141 is about 1550.9934860079.

The spelling of 3731040141 in words is "three billion, seven hundred thirty-one million, forty thousand, one hundred forty-one".

Divisors: 1 3 1243680047 3731040141