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252609955 = 5133886307
BaseRepresentation
bin11110000111010…
…00010110100011
3122121022220201021
433003220112203
51004132004310
641022150311
76155102113
oct1703502643
9577286637
10252609955
1111a656664
1270722397
1340447660
1425799043
151729c5da
hexf0e85a3

252609955 has 8 divisors (see below), whose sum is σ = 326449872. Its totient is φ = 186542688.

The previous prime is 252609941. The next prime is 252609961. The reversal of 252609955 is 559906252.

252609955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252609955 - 227 = 118392227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943089 + ... + 1943218.

It is an arithmetic number, because the mean of its divisors is an integer number (40806234).

Almost surely, 2252609955 is an apocalyptic number.

252609955 is a deficient number, since it is larger than the sum of its proper divisors (73839917).

252609955 is a wasteful number, since it uses less digits than its factorization.

252609955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886325.

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

The square root of 252609955 is about 15893.7080317967. The cubic root of 252609955 is about 632.1451649065.

It can be divided in two parts, 252609 and 955, that multiplied together give a triangular number (241241595 = T21965).

The spelling of 252609955 in words is "two hundred fifty-two million, six hundred nine thousand, nine hundred fifty-five".

Divisors: 1 5 13 65 3886307 19431535 50521991 252609955