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243413430 = 235134791303
BaseRepresentation
bin11101000001000…
…11000110110110
3121222000200110020
432200203012312
5444303212210
640053110010
76013660101
oct1640430666
9558020406
10243413430
11115445127
1269628306
133b577720
1424483738
1516582770
hexe8231b6

243413430 has 64 divisors (see below), whose sum is σ = 630927360. Its totient is φ = 59746176.

The previous prime is 243413419. The next prime is 243413447. The reversal of 243413430 is 34314342.

It is a self number, because there is not a number n which added to its sum of digits gives 243413430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186159 + ... + 187461.

It is an arithmetic number, because the mean of its divisors is an integer number (9858240).

Almost surely, 2243413430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243413430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315463680).

243413430 is an abundant number, since it is smaller than the sum of its proper divisors (387513930).

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

243413430 is a wasteful number, since it uses less digits than its factorization.

243413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

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

The square root of 243413430 is about 15601.7124060149. The cubic root of 243413430 is about 624.3788431338.

Adding to 243413430 its reverse (34314342), we get a palindrome (277727772).

The spelling of 243413430 in words is "two hundred forty-three million, four hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 479 958 1303 1437 2395 2606 2874 3909 4790 6227 6515 7185 7818 12454 13030 14370 16939 18681 19545 31135 33878 37362 39090 50817 62270 84695 93405 101634 169390 186810 254085 508170 624137 1248274 1872411 3120685 3744822 6241370 8113781 9362055 16227562 18724110 24341343 40568905 48682686 81137810 121706715 243413430