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52247443 = 172347521
BaseRepresentation
bin1100011101001…
…1101110010011
310122022110000111
43013103232103
5101333404233
65103502151
71203044623
oct307235623
9118273014
1052247443
1127546306
12155b7957
13aa94361
146d20883
1548c0acd
hex31d3b93

52247443 has 12 divisors (see below), whose sum is σ = 55768392. Its totient is φ = 48938240.

The previous prime is 52247417. The next prime is 52247449. The reversal of 52247443 is 34474225.

It is a happy number.

It is not a de Polignac number, because 52247443 - 25 = 52247411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52247449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100023 + ... + 100543.

It is an arithmetic number, because the mean of its divisors is an integer number (4647366).

Almost surely, 252247443 is an apocalyptic number.

52247443 is a deficient number, since it is larger than the sum of its proper divisors (3520949).

52247443 is a wasteful number, since it uses less digits than its factorization.

52247443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 885 counting only the distinct ones).

The product of its digits is 26880, while the sum is 31.

The square root of 52247443 is about 7228.2392738481. The cubic root of 52247443 is about 373.8422199478.

The spelling of 52247443 in words is "fifty-two million, two hundred forty-seven thousand, four hundred forty-three".

Divisors: 1 17 289 347 521 5899 8857 100283 150569 180787 3073379 52247443