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52223445 = 3254872383
BaseRepresentation
bin1100011100110…
…1110111010101
310122021020002200
43013031313111
5101332122240
65103155113
71202614641
oct307156725
9118236080
1052223445
112752a27a
12155a5a99
13aa86461
146d15c21
1548b8930
hex31cddd5

52223445 has 24 divisors (see below), whose sum is σ = 90744576. Its totient is φ = 27783648.

The previous prime is 52223443. The next prime is 52223449. The reversal of 52223445 is 54432225.

It is a happy number.

It is not a de Polignac number, because 52223445 - 21 = 52223443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20724 + ... + 23106.

It is an arithmetic number, because the mean of its divisors is an integer number (3781024).

Almost surely, 252223445 is an apocalyptic number.

It is an amenable number.

52223445 is a deficient number, since it is larger than the sum of its proper divisors (38521131).

52223445 is a wasteful number, since it uses less digits than its factorization.

52223445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881 (or 2878 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 52223445 is about 7226.5790661972. The cubic root of 52223445 is about 373.7849741510.

The spelling of 52223445 in words is "fifty-two million, two hundred twenty-three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 487 1461 2383 2435 4383 7149 7305 11915 21447 21915 35745 107235 1160521 3481563 5802605 10444689 17407815 52223445