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52272373 = 88159333
BaseRepresentation
bin1100011101100…
…1110011110101
310122100201012211
43013121303311
5101340203443
65104213421
71203210406
oct307316365
9118321184
1052272373
112756300a
121560a271
13aaa27ca
146d299ad
1548c819d
hex31d9cf5

52272373 has 4 divisors (see below), whose sum is σ = 52332588. Its totient is φ = 52212160.

The previous prime is 52272361. The next prime is 52272403. The reversal of 52272373 is 37327225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16056049 + 36216324 = 4007^2 + 6018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52272373 is a prime.

It is a super-2 number, since 2×522723732 = 5464801958102258, 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 (52272673) 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, 28786 + ... + 30547.

It is an arithmetic number, because the mean of its divisors is an integer number (13083147).

Almost surely, 252272373 is an apocalyptic number.

It is an amenable number.

52272373 is a deficient number, since it is larger than the sum of its proper divisors (60215).

52272373 is an equidigital number, since it uses as much as digits as its factorization.

52272373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60214.

The product of its digits is 17640, while the sum is 31.

The square root of 52272373 is about 7229.9635545416. The cubic root of 52272373 is about 373.9016704144.

Adding to 52272373 its reverse (37327225), we get a palindrome (89599598).

The spelling of 52272373 in words is "fifty-two million, two hundred seventy-two thousand, three hundred seventy-three".

Divisors: 1 881 59333 52272373