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32240023 = 97732999
BaseRepresentation
bin111101011111…
…1000110010111
32020122221222221
41322333012113
531223140043
63111003211
7541015144
oct172770627
966587887
1032240023
1117220452
12a969507
1368aa74a
1443d33cb
152c6c8ed
hex1ebf197

32240023 has 4 divisors (see below), whose sum is σ = 32274000. Its totient is φ = 32206048.

The previous prime is 32240009. The next prime is 32240027. The reversal of 32240023 is 32004223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32004223 = 37864979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32240023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32239979 and 32240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32240027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15523 + ... + 17476.

It is an arithmetic number, because the mean of its divisors is an integer number (8068500).

Almost surely, 232240023 is an apocalyptic number.

32240023 is a deficient number, since it is larger than the sum of its proper divisors (33977).

32240023 is an equidigital number, since it uses as much as digits as its factorization.

32240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33976.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32240023 is about 5678.0298519821. The cubic root of 32240023 is about 318.2720105799.

Adding to 32240023 its reverse (32004223), we get a palindrome (64244246).

The spelling of 32240023 in words is "thirty-two million, two hundred forty thousand, twenty-three".

Divisors: 1 977 32999 32240023