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23434042 = 241285781
BaseRepresentation
bin101100101100…
…1001100111010
31122002120110111
41121121030322
521444342132
62154134534
7403120552
oct131311472
948076414
1023434042
1112256385
127a2144a
134b164c8
143180162
1520cd647
hex165933a

23434042 has 8 divisors (see below), whose sum is σ = 36008532. Its totient is φ = 11431200.

The previous prime is 23434009. The next prime is 23434043. The reversal of 23434042 is 24043432.

It can be written as a sum of positive squares in 2 ways, for example, as 23338561 + 95481 = 4831^2 + 309^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23434043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142809 + ... + 142972.

Almost surely, 223434042 is an apocalyptic number.

23434042 is a deficient number, since it is larger than the sum of its proper divisors (12574490).

23434042 is a wasteful number, since it uses less digits than its factorization.

23434042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285824.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 23434042 is about 4840.8720288807. The cubic root of 23434042 is about 286.1644855573.

Adding to 23434042 its reverse (24043432), we get a palindrome (47477474).

The spelling of 23434042 in words is "twenty-three million, four hundred thirty-four thousand, forty-two".

Divisors: 1 2 41 82 285781 571562 11717021 23434042