Search a number
-
+
52299389 = 371997103
BaseRepresentation
bin1100011110000…
…0011001111101
310122102002021102
43013200121331
5101342040024
65104542445
71203352232
oct307403175
9118362242
1052299389
112758133a
1215621a25
13aab1bac
146d35789
1548d11ae
hex31e067d

52299389 has 8 divisors (see below), whose sum is σ = 53990400. Its totient is φ = 50623056.

The previous prime is 52299349. The next prime is 52299397. The reversal of 52299389 is 98399225.

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 52299389 - 28 = 52299133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52299319) 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, 3812 + ... + 10914.

It is an arithmetic number, because the mean of its divisors is an integer number (6748800).

Almost surely, 252299389 is an apocalyptic number.

It is an amenable number.

52299389 is a deficient number, since it is larger than the sum of its proper divisors (1691011).

52299389 is a wasteful number, since it uses less digits than its factorization.

52299389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339.

The product of its digits is 349920, while the sum is 47.

The square root of 52299389 is about 7231.8316490361. The cubic root of 52299389 is about 373.9660740195.

The spelling of 52299389 in words is "fifty-two million, two hundred ninety-nine thousand, three hundred eighty-nine".

Divisors: 1 37 199 7103 7363 262811 1413497 52299389