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52254431 is a prime number
BaseRepresentation
bin1100011101010…
…1011011011111
310122022210121022
43013111123133
5101334120211
65103554355
71203104165
oct307253337
9118283538
1052254431
1127550589
12155bb9bb
13aa975a8
146d23235
1548c2bdb
hex31d56df

52254431 has 2 divisors, whose sum is σ = 52254432. Its totient is φ = 52254430.

The previous prime is 52254421. The next prime is 52254451. The reversal of 52254431 is 13445225.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52254431 - 214 = 52238047 is a prime.

It is a super-2 number, since 2×522544312 = 5461051118267522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52254431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52254401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26127215 + 26127216.

It is an arithmetic number, because the mean of its divisors is an integer number (26127216).

Almost surely, 252254431 is an apocalyptic number.

52254431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52254431 is an equidigital number, since it uses as much as digits as its factorization.

52254431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 52254431 is about 7228.7226395816. The cubic root of 52254431 is about 373.8588861093.

Adding to 52254431 its reverse (13445225), we get a palindrome (65699656).

The spelling of 52254431 in words is "fifty-two million, two hundred fifty-four thousand, four hundred thirty-one".