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243303966 = 23317265037
BaseRepresentation
bin11101000000010…
…00011000011110
3121221211010022000
432200020120132
5444241211331
640050503130
76013023003
oct1640103036
9557733260
10243303966
1111537a964
1269594aa6
133b539959
14244558aa
15165600e6
hexe80861e

243303966 has 32 divisors (see below), whose sum is σ = 572482080. Its totient is φ = 76330368.

The previous prime is 243303961. The next prime is 243303979. The reversal of 243303966 is 669303342.

243303966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 243303966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243303961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131601 + ... + 133436.

It is an arithmetic number, because the mean of its divisors is an integer number (17890065).

Almost surely, 2243303966 is an apocalyptic number.

243303966 is an abundant number, since it is smaller than the sum of its proper divisors (329178114).

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

243303966 is a wasteful number, since it uses less digits than its factorization.

243303966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265065 (or 265059 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 243303966 is about 15598.2039350689. The cubic root of 243303966 is about 624.2852338733.

The spelling of 243303966 in words is "two hundred forty-three million, three hundred three thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 265037 530074 795111 1590222 2385333 4505629 4770666 7155999 9011258 13516887 14311998 27033774 40550661 81101322 121651983 243303966