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23431042 = 218476343
BaseRepresentation
bin101100101100…
…0011110000010
31122002102100101
41121120132002
521444243132
62154113014
7403106035
oct131303602
948072311
1023431042
11122540a8
127a1b76a
134b1502b
14317d01c
1520cc7e7
hex1658782

23431042 has 8 divisors (see below), whose sum is σ = 35171136. Its totient is φ = 11707332.

The previous prime is 23431021. The next prime is 23431061. The reversal of 23431042 is 24013432.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (4396392).

Almost surely, 223431042 is an apocalyptic number.

23431042 is a deficient number, since it is larger than the sum of its proper divisors (11740094).

23431042 is a wasteful number, since it uses less digits than its factorization.

23431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23431042 is about 4840.5621574358. The cubic root of 23431042 is about 286.1522735497.

Adding to 23431042 its reverse (24013432), we get a palindrome (47444474).

The spelling of 23431042 in words is "twenty-three million, four hundred thirty-one thousand, forty-two".

Divisors: 1 2 1847 3694 6343 12686 11715521 23431042