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243410001 = 381136667
BaseRepresentation
bin11101000001000…
…10010001010001
3121222000111202020
432200202101101
5444303110001
640053042053
76013644102
oct1640422121
9558014666
10243410001
1111544259a
1269626329
133b575cb3
14244823a9
1516581736
hexe822451

243410001 has 4 divisors (see below), whose sum is σ = 324546672. Its totient is φ = 162273332.

The previous prime is 243409979. The next prime is 243410003. The reversal of 243410001 is 100014342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243410001 - 26 = 243409937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243410003) 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, 40568331 + ... + 40568336.

It is an arithmetic number, because the mean of its divisors is an integer number (81136668).

Almost surely, 2243410001 is an apocalyptic number.

It is an amenable number.

243410001 is a deficient number, since it is larger than the sum of its proper divisors (81136671).

243410001 is an equidigital number, since it uses as much as digits as its factorization.

243410001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81136670.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 243410001 is about 15601.6025138445. The cubic root of 243410001 is about 624.3759112152.

Adding to 243410001 its reverse (100014342), we get a palindrome (343424343).

The spelling of 243410001 in words is "two hundred forty-three million, four hundred ten thousand, one".

Divisors: 1 3 81136667 243410001