Search a number
-
+
5350981 = 6187721
BaseRepresentation
bin10100011010011001000101
3101001212011111
4110122121011
52332212411
6310405021
763324346
oct24323105
911055144
105350981
1130252a9
121960771
13115477c
149d40cd
1570a721
hex51a645

5350981 has 4 divisors (see below), whose sum is σ = 5438764. Its totient is φ = 5263200.

The previous prime is 5350979. The next prime is 5351009. The reversal of 5350981 is 1890535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 4601025 = 866^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 5350981 - 21 = 5350979 is a prime.

It is a super-2 number, since 2×53509812 = 57265995324722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5350901) 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, 43800 + ... + 43921.

It is an arithmetic number, because the mean of its divisors is an integer number (1359691).

Almost surely, 25350981 is an apocalyptic number.

It is an amenable number.

5350981 is a deficient number, since it is larger than the sum of its proper divisors (87783).

5350981 is an equidigital number, since it uses as much as digits as its factorization.

5350981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87782.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5350981 is about 2313.2187531662. The cubic root of 5350981 is about 174.9085889946.

The spelling of 5350981 in words is "five million, three hundred fifty thousand, nine hundred eighty-one".

Divisors: 1 61 87721 5350981