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52512469 is a prime number
BaseRepresentation
bin1100100001010…
…0011011010101
310122210220120021
43020110123111
5101420344334
65113305141
71205230402
oct310243325
9118726507
1052512469
1127707439
12157051b1
13ab57b89
146d8d2a9
1549243b4
hex32146d5

52512469 has 2 divisors, whose sum is σ = 52512470. Its totient is φ = 52512468.

The previous prime is 52512457. The next prime is 52512491. The reversal of 52512469 is 96421525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49871844 + 2640625 = 7062^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 52512469 - 29 = 52511957 is a prime.

It is a super-2 number, since 2×525124692 = 5515118800951922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52512869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256234 + 26256235.

It is an arithmetic number, because the mean of its divisors is an integer number (26256235).

Almost surely, 252512469 is an apocalyptic number.

It is an amenable number.

52512469 is a deficient number, since it is larger than the sum of its proper divisors (1).

52512469 is an equidigital number, since it uses as much as digits as its factorization.

52512469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 52512469 is about 7246.5487647569. The cubic root of 52512469 is about 374.4732610619.

The spelling of 52512469 in words is "fifty-two million, five hundred twelve thousand, four hundred sixty-nine".