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252441155 = 510324759
BaseRepresentation
bin11110000101111…
…11001001000011
3122121000100011102
433002333021003
51004111104110
641014405015
76153500021
oct1702771103
9577010142
10252441155
1111a55085a
127066076b
13403b8885
1425753711
15172675a5
hexf0bf243

252441155 has 12 divisors (see below), whose sum is σ = 305963280. Its totient is φ = 199950192.

The previous prime is 252441149. The next prime is 252441179. The reversal of 252441155 is 551144252.

It is not a de Polignac number, because 252441155 - 222 = 248246851 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50666 + ... + 55424.

It is an arithmetic number, because the mean of its divisors is an integer number (25496940).

Almost surely, 2252441155 is an apocalyptic number.

252441155 is a deficient number, since it is larger than the sum of its proper divisors (53522125).

252441155 is an equidigital number, since it uses as much as digits as its factorization.

252441155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4867 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 252441155 is about 15888.3968668963. The cubic root of 252441155 is about 632.0043287037.

The spelling of 252441155 in words is "two hundred fifty-two million, four hundred forty-one thousand, one hundred fifty-five".

Divisors: 1 5 103 515 4759 10609 23795 53045 490177 2450885 50488231 252441155