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42644337 = 373194723
BaseRepresentation
bin1010001010101…
…1001101110001
32222020120000220
42202223031301
541404104322
64122003253
71025320341
oct242531561
988216026
1042644337
112208735a
1212346529
138ab1348
145940d21
153b2555c
hex28ab371

42644337 has 8 divisors (see below), whose sum is σ = 57638304. Its totient is φ = 28039968.

The previous prime is 42644333. The next prime is 42644389. The reversal of 42644337 is 73344624.

42644337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42644337 - 22 = 42644333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42644298 and 42644307.

It is not an unprimeable number, because it can be changed into a prime (42644333) 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 7 ways as a sum of consecutive naturals, for example, 97143 + ... + 97580.

It is an arithmetic number, because the mean of its divisors is an integer number (7204788).

Almost surely, 242644337 is an apocalyptic number.

It is an amenable number.

42644337 is a deficient number, since it is larger than the sum of its proper divisors (14993967).

42644337 is a wasteful number, since it uses less digits than its factorization.

42644337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194799.

The product of its digits is 48384, while the sum is 33.

The square root of 42644337 is about 6530.2631646818. The cubic root of 42644337 is about 349.3712166303.

The spelling of 42644337 in words is "forty-two million, six hundred forty-four thousand, three hundred thirty-seven".

Divisors: 1 3 73 219 194723 584169 14214779 42644337