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52263473 = 173317953
BaseRepresentation
bin1100011101011…
…1101000110001
310122100021000012
43013113220301
5101334412343
65104104305
71203142433
oct307275061
9118307005
1052263473
1127557359
1215605095
13aa9b742
146d26653
1548c5718
hex31d7a31

52263473 has 8 divisors (see below), whose sum is σ = 52786728. Its totient is φ = 51743104.

The previous prime is 52263469. The next prime is 52263493. The reversal of 52263473 is 37436225.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 47169424 = 2257^2 + 6868^2 .

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 52263473 - 22 = 52263469 is a prime.

It is a super-2 number, since 2×522634732 = 5462941220043458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52263403) 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, 54365 + ... + 55317.

It is an arithmetic number, because the mean of its divisors is an integer number (6598341).

Almost surely, 252263473 is an apocalyptic number.

It is an amenable number.

52263473 is a deficient number, since it is larger than the sum of its proper divisors (523255).

52263473 is a wasteful number, since it uses less digits than its factorization.

52263473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 30240, while the sum is 32.

The square root of 52263473 is about 7229.3480342283. The cubic root of 52263473 is about 373.8804487916.

Adding to 52263473 its reverse (37436225), we get a palindrome (89699698).

The spelling of 52263473 in words is "fifty-two million, two hundred sixty-three thousand, four hundred seventy-three".

Divisors: 1 173 317 953 54841 164869 302101 52263473