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243344051 = 477172923
BaseRepresentation
bin11101000000100…
…10001010110011
3121221220011021122
432200102022303
5444244002201
640051412455
76013250606
oct1640221263
9557804248
10243344051
111153a7a95
12695b412b
133b551c82
142446633d
151656be1b
hexe8122b3

243344051 has 8 divisors (see below), whose sum is σ = 252025344. Its totient is φ = 234808840.

The previous prime is 243344027. The next prime is 243344063. The reversal of 243344051 is 150443342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243344051 - 226 = 176235187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243344051.

It is not an unprimeable number, because it can be changed into a prime (243344011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33125 + ... + 39798.

It is an arithmetic number, because the mean of its divisors is an integer number (31503168).

Almost surely, 2243344051 is an apocalyptic number.

243344051 is a deficient number, since it is larger than the sum of its proper divisors (8681293).

243344051 is an equidigital number, since it uses as much as digits as its factorization.

243344051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73041.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 243344051 is about 15599.4888057269. The cubic root of 243344051 is about 624.3195162292.

Adding to 243344051 its reverse (150443342), we get a palindrome (393787393).

The spelling of 243344051 in words is "two hundred forty-three million, three hundred forty-four thousand, fifty-one".

Divisors: 1 47 71 3337 72923 3427381 5177533 243344051