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243100429 = 11132277489
BaseRepresentation
bin11100111110101…
…10101100001101
3121221102210002121
432133112230031
5444213203204
640042252541
76011214415
oct1637265415
9557383077
10243100429
11115250a50
12694b7151
133b498110
1424401645
151651eb54
hexe7d6b0d

243100429 has 16 divisors (see below), whose sum is σ = 286896960. Its totient is φ = 203074560.

The previous prime is 243100427. The next prime is 243100511. The reversal of 243100429 is 924001342.

It is not a de Polignac number, because 243100429 - 21 = 243100427 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 (243100427) 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, 28717 + ... + 36205.

It is an arithmetic number, because the mean of its divisors is an integer number (17931060).

Almost surely, 2243100429 is an apocalyptic number.

It is an amenable number.

243100429 is a deficient number, since it is larger than the sum of its proper divisors (43796531).

243100429 is a wasteful number, since it uses less digits than its factorization.

243100429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 243100429 is about 15591.6781970383. The cubic root of 243100429 is about 624.1111024572. Note that the first 4 decimals are identical.

The spelling of 243100429 in words is "two hundred forty-three million, one hundred thousand, four hundred twenty-nine".

Divisors: 1 11 13 143 227 2497 2951 7489 32461 82379 97357 1070927 1700003 18700033 22100039 243100429