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252606569 = 3171114769
BaseRepresentation
bin11110000111001…
…11100001101001
3122121022202001212
433003213201221
51004131402234
641022122505
76155056205
oct1703474151
9577282055
10252606569
1111a654066
1270720435
1340445c57
1425797b05
151729b5ce
hexf0e7869

252606569 has 8 divisors (see below), whose sum is σ = 264430080. Its totient is φ = 241012800.

The previous prime is 252606481. The next prime is 252606581. The reversal of 252606569 is 965606252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252606569 is a prime.

It is a super-2 number, since 2×2526065692 = 127620157403903522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252606589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55184 + ... + 59585.

It is an arithmetic number, because the mean of its divisors is an integer number (33053760).

Almost surely, 2252606569 is an apocalyptic number.

It is an amenable number.

252606569 is a deficient number, since it is larger than the sum of its proper divisors (11823511).

252606569 is a wasteful number, since it uses less digits than its factorization.

252606569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114871.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 252606569 is about 15893.6015113001. The cubic root of 252606569 is about 632.1423404558.

The spelling of 252606569 in words is "two hundred fifty-two million, six hundred six thousand, five hundred sixty-nine".

Divisors: 1 31 71 2201 114769 3557839 8148599 252606569