Search a number
-
+
52218601 = 313974243
BaseRepresentation
bin1100011100110…
…0101011101001
310122020222110021
43013030223221
5101331443401
65103120441
71202564551
oct307145351
9118228407
1052218601
1127526676
12155a3121
13aa841a6
146d14161
1548b72a1
hex31ccae9

52218601 has 8 divisors (see below), whose sum is σ = 54051584. Its totient is φ = 50394960.

The previous prime is 52218587. The next prime is 52218619. The reversal of 52218601 is 10681225.

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 52218601 - 211 = 52216553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52218401) 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, 10186 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (6756448).

Almost surely, 252218601 is an apocalyptic number.

It is an amenable number.

52218601 is a deficient number, since it is larger than the sum of its proper divisors (1832983).

52218601 is a wasteful number, since it uses less digits than its factorization.

52218601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 52218601 is about 7226.2439067610. The cubic root of 52218601 is about 373.7734169509.

Adding to 52218601 its reverse (10681225), we get a palindrome (62899826).

The spelling of 52218601 in words is "fifty-two million, two hundred eighteen thousand, six hundred one".

Divisors: 1 31 397 4243 12307 131533 1684471 52218601