Search a number
-
+
5213447 = 7965993
BaseRepresentation
bin10011111000110100000111
3100210212111122
4103320310013
52313312242
6303424155
762212361
oct23706407
910725448
105213447
112a40a38
1218b505b
131106ca5
14999d31
156cead2
hex4f8d07

5213447 has 4 divisors (see below), whose sum is σ = 5279520. Its totient is φ = 5147376.

The previous prime is 5213431. The next prime is 5213491. The reversal of 5213447 is 7443125.

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 5213447 - 24 = 5213431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213347) 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, 32918 + ... + 33075.

It is an arithmetic number, because the mean of its divisors is an integer number (1319880).

Almost surely, 25213447 is an apocalyptic number.

5213447 is a deficient number, since it is larger than the sum of its proper divisors (66073).

5213447 is an equidigital number, since it uses as much as digits as its factorization.

5213447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66072.

The product of its digits is 3360, while the sum is 26.

The square root of 5213447 is about 2283.2973963109. The cubic root of 5213447 is about 173.3970299265.

The spelling of 5213447 in words is "five million, two hundred thirteen thousand, four hundred forty-seven".

Divisors: 1 79 65993 5213447