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23045444 = 2241140521
BaseRepresentation
bin101011111101…
…0010101000100
31121100211101222
41113322111010
521344423234
62141535512
7366611612
oct127722504
947324358
1023045444
1112010424
127874598
134a0b676
1430bc6b2
15205342e
hex15fa544

23045444 has 12 divisors (see below), whose sum is σ = 41313468. Its totient is φ = 11241600.

The previous prime is 23045441. The next prime is 23045467. The reversal of 23045444 is 44454032.

It can be written as a sum of positive squares in 2 ways, for example, as 4452100 + 18593344 = 2110^2 + 4312^2 .

It is not an unprimeable number, because it can be changed into a prime (23045441) 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, 70097 + ... + 70424.

It is an arithmetic number, because the mean of its divisors is an integer number (3442789).

Almost surely, 223045444 is an apocalyptic number.

It is an amenable number.

23045444 is a deficient number, since it is larger than the sum of its proper divisors (18268024).

23045444 is a wasteful number, since it uses less digits than its factorization.

23045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140566 (or 140564 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 23045444 is about 4800.5670498390. The cubic root of 23045444 is about 284.5738743155.

Adding to 23045444 its reverse (44454032), we get a palindrome (67499476).

The spelling of 23045444 in words is "twenty-three million, forty-five thousand, four hundred forty-four".

Divisors: 1 2 4 41 82 164 140521 281042 562084 5761361 11522722 23045444