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243488053 = 418371551
BaseRepresentation
bin11101000001101…
…01010100110101
3121222011110211001
432200311110311
5444313104203
640054443301
76014420464
oct1640652465
9558143731
10243488053
111154961a6
1269663531
133b5a2693
14244a29db
151659991d
hexe835535

243488053 has 8 divisors (see below), whose sum is σ = 252435456. Its totient is φ = 234684000.

The previous prime is 243487999. The next prime is 243488057. The reversal of 243488053 is 350884342.

243488053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 243488053 - 213 = 243479861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243488057) 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, 32373 + ... + 39178.

It is an arithmetic number, because the mean of its divisors is an integer number (31554432).

Almost surely, 2243488053 is an apocalyptic number.

It is an amenable number.

243488053 is a deficient number, since it is larger than the sum of its proper divisors (8947403).

243488053 is an equidigital number, since it uses as much as digits as its factorization.

243488053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71675.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 243488053 is about 15604.1037230595. The cubic root of 243488053 is about 624.4426416705.

The spelling of 243488053 in words is "two hundred forty-three million, four hundred eighty-eight thousand, fifty-three".

Divisors: 1 41 83 3403 71551 2933591 5938733 243488053