Search a number
-
+
966540297 = 3322180099
BaseRepresentation
bin111001100111000…
…011110000001001
32111100201100000210
4321213003300021
53434413242142
6235524151333
732644312512
oct7147036011
92440640023
10966540297
11456650038
1222b838549
13125323548
149251ba09
1559cc249c
hex399c3c09

966540297 has 4 divisors (see below), whose sum is σ = 1288720400. Its totient is φ = 644360196.

The previous prime is 966540269. The next prime is 966540329. The reversal of 966540297 is 792045669.

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: 792045669 = 3264015223.

It is not a de Polignac number, because 966540297 - 211 = 966538249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966540097) 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, 161090047 + ... + 161090052.

It is an arithmetic number, because the mean of its divisors is an integer number (322180100).

Almost surely, 2966540297 is an apocalyptic number.

It is an amenable number.

966540297 is a deficient number, since it is larger than the sum of its proper divisors (322180103).

966540297 is a wasteful number, since it uses less digits than its factorization.

966540297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322180102.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 966540297 is about 31089.2312063197. The cubic root of 966540297 is about 988.7200058135.

The spelling of 966540297 in words is "nine hundred sixty-six million, five hundred forty thousand, two hundred ninety-seven".

Divisors: 1 3 322180099 966540297