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252217367 = 892833903
BaseRepresentation
bin11110000100010…
…00100000010111
3122120120222011222
433002020200113
51004031423432
641005520555
76151545413
oct1702104027
9576528158
10252217367
1111a408706
127057315b
134033aa5c
14256d5d43
1517221112
hexf088817

252217367 has 4 divisors (see below), whose sum is σ = 255051360. Its totient is φ = 249383376.

The previous prime is 252217349. The next prime is 252217387. The reversal of 252217367 is 763712252.

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

It is a cyclic number.

It is not a de Polignac number, because 252217367 - 28 = 252217111 is a prime.

It is a super-3 number, since 3×2522173673 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252217387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416863 + ... + 1417040.

It is an arithmetic number, because the mean of its divisors is an integer number (63762840).

Almost surely, 2252217367 is an apocalyptic number.

252217367 is a deficient number, since it is larger than the sum of its proper divisors (2833993).

252217367 is an equidigital number, since it uses as much as digits as its factorization.

252217367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833992.

The product of its digits is 35280, while the sum is 35.

The square root of 252217367 is about 15881.3528076169. The cubic root of 252217367 is about 631.8175171157.

The spelling of 252217367 in words is "two hundred fifty-two million, two hundred seventeen thousand, three hundred sixty-seven".

Divisors: 1 89 2833903 252217367