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252872929 is a prime number
BaseRepresentation
bin11110001001010…
…00100011100001
3122121211021110001
433010220203201
51004213413204
641031540001
76160245601
oct1704504341
9577737401
10252872929
1111a8161a1
127082a601
134050a26a
1425826c01
15173004a4
hexf1288e1

252872929 has 2 divisors, whose sum is σ = 252872930. Its totient is φ = 252872928.

The previous prime is 252872927. The next prime is 252872933. The reversal of 252872929 is 929278252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 47610000 = 14327^2 + 6900^2 .

It is a cyclic number.

It is not a de Polignac number, because 252872929 - 21 = 252872927 is a prime.

Together with 252872927, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252872923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126436464 + 126436465.

It is an arithmetic number, because the mean of its divisors is an integer number (126436465).

Almost surely, 2252872929 is an apocalyptic number.

It is an amenable number.

252872929 is a deficient number, since it is larger than the sum of its proper divisors (1).

252872929 is an equidigital number, since it uses as much as digits as its factorization.

252872929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 252872929 is about 15901.9787762404. The cubic root of 252872929 is about 632.3644490725.

It can be divided in two parts, 2528 and 72929, that added together give a palindrome (75457).

The spelling of 252872929 in words is "two hundred fifty-two million, eight hundred seventy-two thousand, nine hundred twenty-nine".