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44073987 = 397311487
BaseRepresentation
bin1010100000100…
…0010000000011
310001221012010220
42220020100003
542240331422
64212354123
71043423406
oct250102003
9101835126
1044073987
1122973491
1212915943
139191ca9
145bd3d3d
153d08e5c
hex2a08403

44073987 has 16 divisors (see below), whose sum is σ = 59684352. Its totient is φ = 28926720.

The previous prime is 44073983. The next prime is 44074039. The reversal of 44073987 is 78937044.

It is not a de Polignac number, because 44073987 - 22 = 44073983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44073983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90258 + ... + 90744.

It is an arithmetic number, because the mean of its divisors is an integer number (3730272).

Almost surely, 244073987 is an apocalyptic number.

44073987 is a deficient number, since it is larger than the sum of its proper divisors (15610365).

44073987 is a wasteful number, since it uses less digits than its factorization.

44073987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 44073987 is about 6638.8242181880. The cubic root of 44073987 is about 353.2326014223.

The spelling of 44073987 in words is "forty-four million, seventy-three thousand, nine hundred eighty-seven".

Divisors: 1 3 97 291 311 487 933 1461 30167 47239 90501 141717 151457 454371 14691329 44073987