Search a number
-
+
52090213 = 741181499
BaseRepresentation
bin1100011010110…
…1010101100101
310122000110100011
43012231111211
5101313341323
65100250221
71201521340
oct306552545
9118013304
1052090213
112744916a
1215540971
13aa3a916
146cbd457
15488e20d
hex31ad565

52090213 has 8 divisors (see below), whose sum is σ = 60984000. Its totient is φ = 43559520.

The previous prime is 52090211. The next prime is 52090217. The reversal of 52090213 is 31209025.

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 52090213 - 21 = 52090211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52090211) 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, 90463 + ... + 91036.

It is an arithmetic number, because the mean of its divisors is an integer number (7623000).

Almost surely, 252090213 is an apocalyptic number.

It is an amenable number.

52090213 is a deficient number, since it is larger than the sum of its proper divisors (8893787).

52090213 is a wasteful number, since it uses less digits than its factorization.

52090213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181547.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 52090213 is about 7217.3549864199. The cubic root of 52090213 is about 373.4668377936.

Adding to 52090213 its reverse (31209025), we get a palindrome (83299238).

The spelling of 52090213 in words is "fifty-two million, ninety thousand, two hundred thirteen".

Divisors: 1 7 41 287 181499 1270493 7441459 52090213