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44974642 = 222487321
BaseRepresentation
bin1010101110010…
…0001000110010
310010121221121111
42223210020302
543003142032
64243543534
71054164256
oct253441062
9103557544
1044974642
1123429129
121308abaa
139418c1b
145d8a266
153e35c47
hex2ae4232

44974642 has 4 divisors (see below), whose sum is σ = 67461966. Its totient is φ = 22487320.

The previous prime is 44974627. The next prime is 44974649. The reversal of 44974642 is 24647944.

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., 40182921 + 4791721 = 6339^2 + 2189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44974595 and 44974604.

It is not an unprimeable number, because it can be changed into a prime (44974649) by changing a digit.

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, 11243659 + ... + 11243662.

Almost surely, 244974642 is an apocalyptic number.

44974642 is a deficient number, since it is larger than the sum of its proper divisors (22487324).

44974642 is a wasteful number, since it uses less digits than its factorization.

44974642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487323.

The product of its digits is 193536, while the sum is 40.

The square root of 44974642 is about 6706.3135924292. The cubic root of 44974642 is about 355.6225062654.

The spelling of 44974642 in words is "forty-four million, nine hundred seventy-four thousand, six hundred forty-two".

Divisors: 1 2 22487321 44974642