Search a number
-
+
131367049 = 1111942459
BaseRepresentation
bin1111101010010…
…00000010001001
3100011012010201021
413311020002021
5232112221144
621011352441
73153413212
oct765100211
9304163637
10131367049
1168176010
1237bb2721
13212a6aa8
1413638409
15b7ed884
hex7d48089

131367049 has 4 divisors (see below), whose sum is σ = 143309520. Its totient is φ = 119424580.

The previous prime is 131367023. The next prime is 131367097. The reversal of 131367049 is 940763131.

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.

It is not a de Polignac number, because 131367049 - 223 = 122978441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131367949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5971219 + ... + 5971240.

It is an arithmetic number, because the mean of its divisors is an integer number (35827380).

Almost surely, 2131367049 is an apocalyptic number.

It is an amenable number.

131367049 is a deficient number, since it is larger than the sum of its proper divisors (11942471).

131367049 is a wasteful number, since it uses less digits than its factorization.

131367049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942470.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 131367049 is about 11461.5465361355. The cubic root of 131367049 is about 508.3492042225.

The spelling of 131367049 in words is "one hundred thirty-one million, three hundred sixty-seven thousand, forty-nine".

Divisors: 1 11 11942459 131367049