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5478349 = 6189809
BaseRepresentation
bin10100111001011111001101
3101022022212211
4110321133031
52400301344
6313230421
764364602
oct24713715
911268784
105478349
113101a68
121a02411
13119a736
14a286a9
15733334
hex5397cd

5478349 has 4 divisors (see below), whose sum is σ = 5568220. Its totient is φ = 5388480.

The previous prime is 5478337. The next prime is 5478371. The reversal of 5478349 is 9438745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9438745 = 51887749.

It can be written as a sum of positive squares in 2 ways, for example, as 2502724 + 2975625 = 1582^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478349 - 29 = 5477837 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5472349) 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, 44844 + ... + 44965.

It is an arithmetic number, because the mean of its divisors is an integer number (1392055).

Almost surely, 25478349 is an apocalyptic number.

It is an amenable number.

5478349 is a deficient number, since it is larger than the sum of its proper divisors (89871).

5478349 is an equidigital number, since it uses as much as digits as its factorization.

5478349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89870.

The product of its digits is 120960, while the sum is 40.

The square root of 5478349 is about 2340.5873194564. The cubic root of 5478349 is about 176.2854892236.

The spelling of 5478349 in words is "five million, four hundred seventy-eight thousand, three hundred forty-nine".

Divisors: 1 61 89809 5478349