Search a number
-
+
5494945 = 51098989
BaseRepresentation
bin10100111101100010100001
3101100011122111
4110331202201
52401314240
6313435321
764464151
oct24754241
911304574
105494945
113113485
121a0bb41
1311a5161
14a30761
157381ea
hex53d8a1

5494945 has 4 divisors (see below), whose sum is σ = 6593940. Its totient is φ = 4395952.

The previous prime is 5494913. The next prime is 5494969.

5494945 is nontrivially palindromic in base 10.

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 3876961 + 1617984 = 1969^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 5494945 - 25 = 5494913 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 5494898 and 5494907.

It is an unprimeable number.

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, 549490 + ... + 549499.

It is an arithmetic number, because the mean of its divisors is an integer number (1648485).

Almost surely, 25494945 is an apocalyptic number.

It is an amenable number.

5494945 is a deficient number, since it is larger than the sum of its proper divisors (1098995).

5494945 is a wasteful number, since it uses less digits than its factorization.

5494945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098994.

The product of its digits is 129600, while the sum is 40.

The square root of 5494945 is about 2344.1299025438. The cubic root of 5494945 is about 176.4633216725.

The spelling of 5494945 in words is "five million, four hundred ninety-four thousand, nine hundred forty-five".

Divisors: 1 5 1098989 5494945