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252550969 = 1179728807
BaseRepresentation
bin11110000110110…
…01111100111001
3122121012220210121
433003121330321
51004123112334
641021013241
76154435126
oct1703317471
9577186717
10252550969
1111a616310
12706b4221
1340426858
142578174d
1517289db4
hexf0d9f39

252550969 has 8 divisors (see below), whose sum is σ = 275865408. Its totient is φ = 229295760.

The previous prime is 252550951. The next prime is 252550999. The reversal of 252550969 is 969055252.

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

It is a cyclic number.

It is not a de Polignac number, because 252550969 - 27 = 252550841 is a prime.

It is a super-2 number, since 2×2525509692 = 127563983885677922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252550999) 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 in 7 ways as a sum of consecutive naturals, for example, 5637 + ... + 23170.

It is an arithmetic number, because the mean of its divisors is an integer number (34483176).

Almost surely, 2252550969 is an apocalyptic number.

It is an amenable number.

252550969 is a deficient number, since it is larger than the sum of its proper divisors (23314439).

252550969 is a wasteful number, since it uses less digits than its factorization.

252550969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29615.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 252550969 is about 15891.8522834816. The cubic root of 252550969 is about 632.0959577967.

The spelling of 252550969 in words is "two hundred fifty-two million, five hundred fifty thousand, nine hundred sixty-nine".

Divisors: 1 11 797 8767 28807 316877 22959179 252550969