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52224089 = 359145471
BaseRepresentation
bin1100011100111…
…0000001011001
310122021020222112
43013032001121
5101332132324
65103202105
71202616551
oct307160131
9118236875
1052224089
112752a805
12155a6335
13aa86838
146d16161
1548b8c0e
hex31ce059

52224089 has 4 divisors (see below), whose sum is σ = 52369920. Its totient is φ = 52078260.

The previous prime is 52224079. The next prime is 52224091. The reversal of 52224089 is 98042225.

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 a de Polignac number, because none of the positive numbers 2k-52224089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52224019) 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, 72377 + ... + 73094.

It is an arithmetic number, because the mean of its divisors is an integer number (13092480).

Almost surely, 252224089 is an apocalyptic number.

It is an amenable number.

52224089 is a deficient number, since it is larger than the sum of its proper divisors (145831).

52224089 is a wasteful number, since it uses less digits than its factorization.

52224089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145830.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 52224089 is about 7226.6236237956. The cubic root of 52224089 is about 373.7865106035.

The spelling of 52224089 in words is "fifty-two million, two hundred twenty-four thousand, eighty-nine".

Divisors: 1 359 145471 52224089