Search a number
-
+
5320729 = 47791433
BaseRepresentation
bin10100010011000000011001
3101000022200001
4110103000121
52330230404
6310013001
763140221
oct24230031
911008601
105320729
1130045a7
121947161
131143a7b
149c7081
157017a4
hex513019

5320729 has 8 divisors (see below), whose sum is σ = 5506560. Its totient is φ = 5138016.

The previous prime is 5320727. The next prime is 5320771. The reversal of 5320729 is 9270235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5320729 - 21 = 5320727 is a prime.

It is a Duffinian number.

5320729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5320697 and 5320706.

It is not an unprimeable number, because it can be changed into a prime (5320727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (688320).

Almost surely, 25320729 is an apocalyptic number.

It is an amenable number.

5320729 is a deficient number, since it is larger than the sum of its proper divisors (185831).

5320729 is a wasteful number, since it uses less digits than its factorization.

5320729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 5320729 is about 2306.6705443127. The cubic root of 5320729 is about 174.5783481367.

The spelling of 5320729 in words is "five million, three hundred twenty thousand, seven hundred twenty-nine".

Divisors: 1 47 79 1433 3713 67351 113207 5320729