Search a number
-
+
52210245 = 353480683
BaseRepresentation
bin1100011100101…
…0101001000101
310122020112222210
43013022221011
5101331211440
65103014033
71202531313
oct307125105
9118215883
1052210245
112752036a
121559a319
13aa80449
146d110b3
1548b4a80
hex31caa45

52210245 has 8 divisors (see below), whose sum is σ = 83536416. Its totient is φ = 27845456.

The previous prime is 52210243. The next prime is 52210273. The reversal of 52210245 is 54201225.

It is a happy number.

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 52210245 - 21 = 52210243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52210241) 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, 1740327 + ... + 1740356.

It is an arithmetic number, because the mean of its divisors is an integer number (10442052).

Almost surely, 252210245 is an apocalyptic number.

It is an amenable number.

52210245 is a deficient number, since it is larger than the sum of its proper divisors (31326171).

52210245 is a wasteful number, since it uses less digits than its factorization.

52210245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480691.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52210245 is about 7225.6657132751. The cubic root of 52210245 is about 373.7534788623.

The spelling of 52210245 in words is "fifty-two million, two hundred ten thousand, two hundred forty-five".

Divisors: 1 3 5 15 3480683 10442049 17403415 52210245