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23124642 = 235372719
BaseRepresentation
bin101100000110…
…1101010100010
31121111212001020
41120031222202
521404442032
62143350310
7400361532
oct130155242
947455036
1023124642
1112064982
1278b2396
134a38728
1430dd4c2
15206bb2c
hex160daa2

23124642 has 16 divisors (see below), whose sum is σ = 47122560. Its totient is φ = 7562672.

The previous prime is 23124631. The next prime is 23124671. The reversal of 23124642 is 24642132.

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 7 ways as a sum of consecutive naturals, for example, 36042 + ... + 36677.

It is an arithmetic number, because the mean of its divisors is an integer number (2945160).

Almost surely, 223124642 is an apocalyptic number.

23124642 is an abundant number, since it is smaller than the sum of its proper divisors (23997918).

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

23124642 is a wasteful number, since it uses less digits than its factorization.

23124642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72777.

The product of its digits is 2304, while the sum is 24.

The square root of 23124642 is about 4808.8087922062. The cubic root of 23124642 is about 284.8994905660.

Adding to 23124642 its reverse (24642132), we get a palindrome (47766774).

The spelling of 23124642 in words is "twenty-three million, one hundred twenty-four thousand, six hundred forty-two".

Divisors: 1 2 3 6 53 106 159 318 72719 145438 218157 436314 3854107 7708214 11562321 23124642