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243125134 = 27232812687
BaseRepresentation
bin11100111110111…
…00101110001110
3121221111000222121
432133130232032
5444220001014
640043003154
76011346430
oct1637345616
9557430877
10243125134
1111526856a
12695094ba
133b4a6435
142440a650
1516527124
hexe7dcb8e

243125134 has 32 divisors (see below), whose sum is σ = 436617216. Its totient is φ = 99274560.

The previous prime is 243125123. The next prime is 243125137. The reversal of 243125134 is 431521342.

It is a junction number, because it is equal to n+sod(n) for n = 243125099 and 243125108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243125137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89139 + ... + 91825.

It is an arithmetic number, because the mean of its divisors is an integer number (13644288).

Almost surely, 2243125134 is an apocalyptic number.

243125134 is a deficient number, since it is larger than the sum of its proper divisors (193492082).

243125134 is a wasteful number, since it uses less digits than its factorization.

243125134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its digits is 2880, while the sum is 25.

The square root of 243125134 is about 15592.4704264590. The cubic root of 243125134 is about 624.1322434353.

Adding to 243125134 its reverse (431521342), we get a palindrome (674646476).

The spelling of 243125134 in words is "two hundred forty-three million, one hundred twenty-five thousand, one hundred thirty-four".

Divisors: 1 2 7 14 23 46 161 281 322 562 1967 2687 3934 5374 6463 12926 18809 37618 45241 61801 90482 123602 432607 755047 865214 1510094 5285329 10570658 17366081 34732162 121562567 243125134