Search a number
-
+
5478345 = 325532297
BaseRepresentation
bin10100111001011111001001
3101022022212200
4110321133021
52400301340
6313230413
764364565
oct24713711
911268780
105478345
113101a64
121a02409
13119a732
14a286a5
15733330
hex5397c9

5478345 has 24 divisors (see below), whose sum is σ = 9679176. Its totient is φ = 2865408.

The previous prime is 5478337. The next prime is 5478371. The reversal of 5478345 is 5438745.

It can be written as a sum of positive squares in 4 ways, for example, as 915849 + 4562496 = 957^2 + 2136^2 .

It is not a de Polignac number, because 5478345 - 23 = 5478337 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237 + ... + 3533.

It is an arithmetic number, because the mean of its divisors is an integer number (403299).

Almost surely, 25478345 is an apocalyptic number.

It is an amenable number.

5478345 is a deficient number, since it is larger than the sum of its proper divisors (4200831).

5478345 is a wasteful number, since it uses less digits than its factorization.

5478345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2358 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 5478345 is about 2340.5864649698. The cubic root of 5478345 is about 176.2854463188.

Subtracting from 5478345 its product of digits (67200), we obtain a palindrome (5411145).

The spelling of 5478345 in words is "five million, four hundred seventy-eight thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 53 159 265 477 795 2297 2385 6891 11485 20673 34455 103365 121741 365223 608705 1095669 1826115 5478345