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243153426 = 2340525571
BaseRepresentation
bin11100111111000…
…11101000010010
3121221112110210110
432133203220102
5444221402201
640043342150
76011525055
oct1637435022
9557473713
10243153426
1111528784a
1269521956
133b4b6289
1424416a9c
15165306d6
hexe7e3a12

243153426 has 8 divisors (see below), whose sum is σ = 486306864. Its totient is φ = 81051140.

The previous prime is 243153413. The next prime is 243153461. The reversal of 243153426 is 624351342.

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

243153426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 243153393 and 243153402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20262780 + ... + 20262791.

It is an arithmetic number, because the mean of its divisors is an integer number (60788358).

Almost surely, 2243153426 is an apocalyptic number.

243153426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243153426 is a wasteful number, since it uses less digits than its factorization.

243153426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40525576.

The product of its digits is 17280, while the sum is 30.

The square root of 243153426 is about 15593.3776328286. The cubic root of 243153426 is about 624.1564521822.

The spelling of 243153426 in words is "two hundred forty-three million, one hundred fifty-three thousand, four hundred twenty-six".

Divisors: 1 2 3 6 40525571 81051142 121576713 243153426