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52216141 = 232270267
BaseRepresentation
bin1100011100110…
…0000101001101
310122020212002011
43013030011031
5101331404031
65103101221
71202554435
oct307140515
9118225064
1052216141
112752483a
12155a1811
13aa83033
146d132c5
1548b66b1
hex31cc14d

52216141 has 4 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 49945852.

The previous prime is 52216133. The next prime is 52216181. The reversal of 52216141 is 14161225.

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 52216141 - 23 = 52216133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52216181) 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, 1135111 + ... + 1135156.

It is an arithmetic number, because the mean of its divisors is an integer number (13621608).

Almost surely, 252216141 is an apocalyptic number.

It is an amenable number.

52216141 is a deficient number, since it is larger than the sum of its proper divisors (2270291).

52216141 is a wasteful number, since it uses less digits than its factorization.

52216141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270290.

The product of its digits is 480, while the sum is 22.

The square root of 52216141 is about 7226.0736918468. The cubic root of 52216141 is about 373.7675474139.

Adding to 52216141 its reverse (14161225), we get a palindrome (66377366).

The spelling of 52216141 in words is "fifty-two million, two hundred sixteen thousand, one hundred forty-one".

Divisors: 1 23 2270267 52216141