Search a number
-
+
243123114 = 23138273769
BaseRepresentation
bin11100111110111…
…00001110101010
3121221110221012210
432133130032222
5444214414424
640042545550
76011340513
oct1637341652
9557427183
10243123114
11115266aa3
12695082b6
133b4a5540
1424409a0a
1516526729
hexe7dc3aa

243123114 has 32 divisors (see below), whose sum is σ = 524422080. Its totient is φ = 74696832.

The previous prime is 243123113. The next prime is 243123119. The reversal of 243123114 is 411321342.

It is a super-2 number, since 2×2431231142 = 118217697122113992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243123113) 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, 62622 + ... + 66390.

It is an arithmetic number, because the mean of its divisors is an integer number (16388190).

Almost surely, 2243123114 is an apocalyptic number.

243123114 is an abundant number, since it is smaller than the sum of its proper divisors (281298966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243123114 is a wasteful number, since it uses less digits than its factorization.

243123114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614.

The product of its digits is 576, while the sum is 21.

The square root of 243123114 is about 15592.4056514702. The cubic root of 243123114 is about 624.1305149007.

Adding to 243123114 its reverse (411321342), we get a palindrome (654444456).

The spelling of 243123114 in words is "two hundred forty-three million, one hundred twenty-three thousand, one hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 827 1654 2481 3769 4962 7538 10751 11307 21502 22614 32253 48997 64506 97994 146991 293982 3116963 6233926 9350889 18701778 40520519 81041038 121561557 243123114