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243034144 = 2518014217
BaseRepresentation
bin11100111110001…
…10100000100000
3121221022102011121
432133012200200
5444204043034
640041022024
76010520233
oct1637064040
9557272147
10243034144
11115206171
1269484914
133b473bb2
14243c541a
151650a1b4
hexe7c6820

243034144 has 24 divisors (see below), whose sum is σ = 478852668. Its totient is φ = 121420800.

The previous prime is 243034109. The next prime is 243034147. The reversal of 243034144 is 441430342.

It can be written as a sum of positive squares in 2 ways, for example, as 242985744 + 48400 = 15588^2 + 220^2 .

It is not an unprimeable number, because it can be changed into a prime (243034147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55524 + ... + 59740.

Almost surely, 2243034144 is an apocalyptic number.

It is an amenable number.

243034144 is a deficient number, since it is larger than the sum of its proper divisors (235818524).

243034144 is a wasteful number, since it uses less digits than its factorization.

243034144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028 (or 6020 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243034144 is about 15589.5523989626. The cubic root of 243034144 is about 624.0543728645.

Adding to 243034144 its reverse (441430342), we get a palindrome (684464486).

The spelling of 243034144 in words is "two hundred forty-three million, thirty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 1801 3602 4217 7204 8434 14408 16868 28816 33736 57632 67472 134944 7594817 15189634 30379268 60758536 121517072 243034144