Search a number
-
+
52409713 = 195126863
BaseRepresentation
bin1100011111101…
…1010101110001
310122121200121111
43013323111301
5101404102323
65111153321
71204321666
oct307732561
9118550544
1052409713
1127647214
1215675841
13ab20185
146d63a6d
154903c0d
hex31fb571

52409713 has 4 divisors (see below), whose sum is σ = 52438528. Its totient is φ = 52380900.

The previous prime is 52409701. The next prime is 52409717. The reversal of 52409713 is 31790425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52409713 - 25 = 52409681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52409717) 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, 11481 + ... + 15382.

It is an arithmetic number, because the mean of its divisors is an integer number (13109632).

Almost surely, 252409713 is an apocalyptic number.

It is an amenable number.

52409713 is a deficient number, since it is larger than the sum of its proper divisors (28815).

52409713 is a wasteful number, since it uses less digits than its factorization.

52409713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28814.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52409713 is about 7239.4552971891. The cubic root of 52409713 is about 374.2288460929.

The spelling of 52409713 in words is "fifty-two million, four hundred nine thousand, seven hundred thirteen".

Divisors: 1 1951 26863 52409713