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23941642 = 211970821
BaseRepresentation
bin101101101010…
…1001000001010
31200001100202111
41123111020022
522112113032
62213052534
7410333464
oct133251012
950040674
1023941642
111257278a
12802714a
134c6356a
143273134
15217dc47
hex16d520a

23941642 has 4 divisors (see below), whose sum is σ = 35912466. Its totient is φ = 11970820.

The previous prime is 23941613. The next prime is 23941657. The reversal of 23941642 is 24614932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 1083681 = 4781^2 + 1041^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 5985409 + ... + 5985412.

Almost surely, 223941642 is an apocalyptic number.

23941642 is a deficient number, since it is larger than the sum of its proper divisors (11970824).

23941642 is a wasteful number, since it uses less digits than its factorization.

23941642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970823.

The product of its digits is 10368, while the sum is 31.

The square root of 23941642 is about 4893.0197220122. The cubic root of 23941642 is about 288.2159276385.

The spelling of 23941642 in words is "twenty-three million, nine hundred forty-one thousand, six hundred forty-two".

Divisors: 1 2 11970821 23941642