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252894911 = 435881277
BaseRepresentation
bin11110001001011…
…01111010111111
3122121212101121012
433010231322333
51004220114121
641032225435
76160366643
oct1704557277
9577771535
10252894911
1111a830765
127083b27b
1340517279
1425830c23
1517306c5b
hexf12debf

252894911 has 4 divisors (see below), whose sum is σ = 258776232. Its totient is φ = 247013592.

The previous prime is 252894899. The next prime is 252894953. The reversal of 252894911 is 119498252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252894911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252894991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940596 + ... + 2940681.

It is an arithmetic number, because the mean of its divisors is an integer number (64694058).

Almost surely, 2252894911 is an apocalyptic number.

252894911 is a deficient number, since it is larger than the sum of its proper divisors (5881321).

252894911 is an equidigital number, since it uses as much as digits as its factorization.

252894911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881320.

The product of its digits is 51840, while the sum is 41.

The square root of 252894911 is about 15902.6699330647. The cubic root of 252894911 is about 632.3827721522.

The spelling of 252894911 in words is "two hundred fifty-two million, eight hundred ninety-four thousand, nine hundred eleven".

Divisors: 1 43 5881277 252894911