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234223143 = 37111735861
BaseRepresentation
bin11011111010111…
…11011000100111
3121022201202202020
431331133120213
5434430120033
635124114223
75542602210
oct1575373047
9538652666
10234223143
11110238350
1266535973
13396aa59b
1423170407
15158696b3
hexdf5f627

234223143 has 32 divisors (see below), whose sum is σ = 391675392. Its totient is φ = 120950400.

The previous prime is 234223139. The next prime is 234223151. The reversal of 234223143 is 341322432.

It is not a de Polignac number, because 234223143 - 22 = 234223139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234223183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37033 + ... + 42893.

It is an arithmetic number, because the mean of its divisors is an integer number (12239856).

Almost surely, 2234223143 is an apocalyptic number.

234223143 is a deficient number, since it is larger than the sum of its proper divisors (157452249).

234223143 is a wasteful number, since it uses less digits than its factorization.

234223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055.

The product of its digits is 3456, while the sum is 24.

The square root of 234223143 is about 15304.3504599183. The cubic root of 234223143 is about 616.4198301449.

Adding to 234223143 its reverse (341322432), we get a palindrome (575545575).

It can be divided in two parts, 23422 and 3143, that added together give a triangular number (26565 = T230).

The spelling of 234223143 in words is "two hundred thirty-four million, two hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 7 11 21 33 77 173 231 519 1211 1903 3633 5709 5861 13321 17583 39963 41027 64471 123081 193413 451297 1013953 1353891 3041859 7097671 11153483 21293013 33460449 78074381 234223143