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252258106 = 2197640249
BaseRepresentation
bin11110000100100…
…10011100111010
3122120200001001211
433002102130322
51004034224411
641010433334
76152105242
oct1702223472
9576601054
10252258106
1111a436281
127059284a
1340353469
1425706b22
151722d221
hexf09273a

252258106 has 8 divisors (see below), whose sum is σ = 380308500. Its totient is φ = 125488608.

The previous prime is 252258031. The next prime is 252258109. The reversal of 252258106 is 601852252.

252258106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 243204025 + 9054081 = 15595^2 + 3009^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252258109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319731 + ... + 320518.

Almost surely, 2252258106 is an apocalyptic number.

252258106 is a deficient number, since it is larger than the sum of its proper divisors (128050394).

252258106 is a wasteful number, since it uses less digits than its factorization.

252258106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640448.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 252258106 is about 15882.6353606698. The cubic root of 252258106 is about 631.8515330499.

The spelling of 252258106 in words is "two hundred fifty-two million, two hundred fifty-eight thousand, one hundred six".

Divisors: 1 2 197 394 640249 1280498 126129053 252258106