Search a number
-
+
131370827 = 741774493
BaseRepresentation
bin1111101010010…
…00111101001011
3100011012022220012
413311020331023
5232112331302
621011422135
73153430220
oct765107513
9304168805
10131370827
1168178935
1237bb494b
13212a8723
1413639947
15b7eea52
hex7d48f4b

131370827 has 8 divisors (see below), whose sum is σ = 150207456. Its totient is φ = 112551552.

The previous prime is 131370821. The next prime is 131370857. The reversal of 131370827 is 728073131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131370827 - 26 = 131370763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131370793 and 131370802.

It is not an unprimeable number, because it can be changed into a prime (131370821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26993 + ... + 31485.

It is an arithmetic number, because the mean of its divisors is an integer number (18775932).

Almost surely, 2131370827 is an apocalyptic number.

131370827 is a deficient number, since it is larger than the sum of its proper divisors (18836629).

131370827 is an equidigital number, since it uses as much as digits as its factorization.

131370827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 131370827 is about 11461.7113469150. The cubic root of 131370827 is about 508.3540774001.

The spelling of 131370827 in words is "one hundred thirty-one million, three hundred seventy thousand, eight hundred twenty-seven".

Divisors: 1 7 4177 4493 29239 31451 18767261 131370827