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5149243 = 11468113
BaseRepresentation
bin10011101001001000111011
3100200121102201
4103221020323
52304233433
6302211031
761524241
oct23511073
910617381
105149243
1129a7780
121883a77
1310b39b8
14980791
156baa7d
hex4e923b

5149243 has 4 divisors (see below), whose sum is σ = 5617368. Its totient is φ = 4681120.

The previous prime is 5149229. The next prime is 5149259. The reversal of 5149243 is 3429415.

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

It is a cyclic number.

It is not a de Polignac number, because 5149243 - 213 = 5141051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5149223) 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, 234046 + ... + 234067.

It is an arithmetic number, because the mean of its divisors is an integer number (1404342).

Almost surely, 25149243 is an apocalyptic number.

5149243 is a deficient number, since it is larger than the sum of its proper divisors (468125).

5149243 is a wasteful number, since it uses less digits than its factorization.

5149243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468124.

The product of its digits is 4320, while the sum is 28.

The square root of 5149243 is about 2269.1943504248. The cubic root of 5149243 is about 172.6822885710.

It can be divided in two parts, 51 and 49243, that added together give a palindrome (49294).

The spelling of 5149243 in words is "five million, one hundred forty-nine thousand, two hundred forty-three".

Divisors: 1 11 468113 5149243