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252430055 = 5316072683
BaseRepresentation
bin11110000101111…
…00011011100111
3122120222202221022
433002330123213
51004110230210
641014241355
76153422453
oct1702743347
9576882838
10252430055
1111a543489
127065625b
13403b37c7
142574d663
1517264155
hexf0bc6e7

252430055 has 16 divisors (see below), whose sum is σ = 313319424. Its totient is φ = 195035040.

The previous prime is 252430051. The next prime is 252430069. The reversal of 252430055 is 550034252.

It is not a de Polignac number, because 252430055 - 22 = 252430051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252430051) 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 15 ways as a sum of consecutive naturals, for example, 92744 + ... + 95426.

It is an arithmetic number, because the mean of its divisors is an integer number (19582464).

Almost surely, 2252430055 is an apocalyptic number.

252430055 is a deficient number, since it is larger than the sum of its proper divisors (60889369).

252430055 is a wasteful number, since it uses less digits than its factorization.

252430055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252430055 is about 15888.0475515401. The cubic root of 252430055 is about 631.9950653556.

The spelling of 252430055 in words is "two hundred fifty-two million, four hundred thirty thousand, fifty-five".

Divisors: 1 5 31 155 607 2683 3035 13415 18817 83173 94085 415865 1628581 8142905 50486011 252430055