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44140481 = 711573253
BaseRepresentation
bin1010100001100…
…0011111000001
310002001120100122
42220120133001
542244443411
64214030025
71044121310
oct250303701
9102046318
1044140481
1122a09440
1212948315
1391b6338
145c10277
153d1d9db
hex2a187c1

44140481 has 8 divisors (see below), whose sum is σ = 55032384. Its totient is φ = 34395120.

The previous prime is 44140463. The next prime is 44140511. The reversal of 44140481 is 18404144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 44140481 - 26 = 44140417 is a prime.

It is a super-2 number, since 2×441404812 = 3896764125822722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44140481.

It is not an unprimeable number, because it can be changed into a prime (44140081) 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 in 7 ways as a sum of consecutive naturals, for example, 286550 + ... + 286703.

It is an arithmetic number, because the mean of its divisors is an integer number (6879048).

Almost surely, 244140481 is an apocalyptic number.

It is an amenable number.

44140481 is a deficient number, since it is larger than the sum of its proper divisors (10891903).

44140481 is a wasteful number, since it uses less digits than its factorization.

44140481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573271.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 44140481 is about 6643.8302958459. The cubic root of 44140481 is about 353.4101517048.

The spelling of 44140481 in words is "forty-four million, one hundred forty thousand, four hundred eighty-one".

Divisors: 1 7 11 77 573253 4012771 6305783 44140481