Search a number
-
+
52223701 = 223234187
BaseRepresentation
bin1100011100110…
…1111011010101
310122021020110011
43013031323111
5101332124301
65103200221
71202615455
oct307157325
9118236404
1052223701
112752a492
12155a6071
13aa865ca
146d15d65
1548b8a51
hex31cded5

52223701 has 4 divisors (see below), whose sum is σ = 52458112. Its totient is φ = 51989292.

The previous prime is 52223681. The next prime is 52223713. The reversal of 52223701 is 10732225.

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 52223701 - 27 = 52223573 is a prime.

It is a super-2 number, since 2×522237012 = 5454629892274802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223401) 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, 116871 + ... + 117316.

It is an arithmetic number, because the mean of its divisors is an integer number (13114528).

Almost surely, 252223701 is an apocalyptic number.

It is an amenable number.

52223701 is a deficient number, since it is larger than the sum of its proper divisors (234411).

52223701 is a wasteful number, since it uses less digits than its factorization.

52223701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234410.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52223701 is about 7226.5967785673. The cubic root of 52223701 is about 373.7855849162.

Adding to 52223701 its reverse (10732225), we get a palindrome (62955926).

The spelling of 52223701 in words is "fifty-two million, two hundred twenty-three thousand, seven hundred one".

Divisors: 1 223 234187 52223701