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52527474 = 2331019631
BaseRepresentation
bin1100100001100…
…0000101110010
310122211200011000
43020120011302
5101421334344
65113502430
71205322216
oct310300562
9118750130
1052527474
112771773a
1215711a16
13ab6195c
146d94946
154928a69
hex3218172

52527474 has 32 divisors (see below), whose sum is σ = 117895680. Its totient is φ = 17334000.

The previous prime is 52527451. The next prime is 52527479. The reversal of 52527474 is 47472525.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52527479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (3684240).

Almost surely, 252527474 is an apocalyptic number.

52527474 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52527474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58947840).

52527474 is an abundant number, since it is smaller than the sum of its proper divisors (65368206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52527474 is a wasteful number, since it uses less digits than its factorization.

52527474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743 (or 9737 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 52527474 is about 7247.5840112413. The cubic root of 52527474 is about 374.5089252022.

Adding to 52527474 its reverse (47472525), we get a palindrome (99999999).

The spelling of 52527474 in words is "fifty-two million, five hundred twenty-seven thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 101 202 303 606 909 1818 2727 5454 9631 19262 28893 57786 86679 173358 260037 520074 972731 1945462 2918193 5836386 8754579 17509158 26263737 52527474