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44270381 = 475231801
BaseRepresentation
bin1010100011100…
…0001100101101
310002022011112202
42220320030231
542313123011
64220511245
71045202111
oct250701455
9102264482
1044270381
1122a97aa1
12129ab525
1392304bc
145c45741
153d4723b
hex2a3832d

44270381 has 8 divisors (see below), whose sum is σ = 45323904. Its totient is φ = 43221600.

The previous prime is 44270371. The next prime is 44270411. The reversal of 44270381 is 18307244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44270381 is a prime.

It is a super-2 number, since 2×442703812 = 3919733267770322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44270341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23681 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (5665488).

Almost surely, 244270381 is an apocalyptic number.

It is an amenable number.

44270381 is a deficient number, since it is larger than the sum of its proper divisors (1053523).

44270381 is a wasteful number, since it uses less digits than its factorization.

44270381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 44270381 is about 6653.5991012384. The cubic root of 44270381 is about 353.7564930322.

The spelling of 44270381 in words is "forty-four million, two hundred seventy thousand, three hundred eighty-one".

Divisors: 1 47 523 1801 24581 84647 941923 44270381