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243223048 = 2330402881
BaseRepresentation
bin11100111111101…
…00101000001000
3121221200000022001
432133310220020
5444231114143
640045040344
76012235045
oct1637645010
9557600261
10243223048
11115325092
12695560b4
133b50bb83
14244341cc
151654614d
hexe7f4a08

243223048 has 8 divisors (see below), whose sum is σ = 456043230. Its totient is φ = 121611520.

The previous prime is 243223037. The next prime is 243223069. The reversal of 243223048 is 840322342.

243223048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138815524 + 104407524 = 11782^2 + 10218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201433 + ... + 15201448.

Almost surely, 2243223048 is an apocalyptic number.

It is an amenable number.

243223048 is a deficient number, since it is larger than the sum of its proper divisors (212820182).

243223048 is a wasteful number, since it uses less digits than its factorization.

243223048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402887 (or 30402883 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 243223048 is about 15595.6098950955. The cubic root of 243223048 is about 624.2160179667.

The spelling of 243223048 in words is "two hundred forty-three million, two hundred twenty-three thousand, forty-eight".

Divisors: 1 2 4 8 30402881 60805762 121611524 243223048