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44440197 = 3137108127
BaseRepresentation
bin1010100110000…
…1101010000101
310002121210111020
42221201222011
542334041242
64224301353
71046510154
oct251415205
9102553436
1044440197
11230a363a
1212a71859
13928c899
145c8b59b
153d7c6ec
hex2a61a85

44440197 has 8 divisors (see below), whose sum is σ = 59686656. Its totient is φ = 29410272.

The previous prime is 44440181. The next prime is 44440213. The reversal of 44440197 is 79104444.

It is an interprime number because it is at equal distance from previous prime (44440181) and next prime (44440213).

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

It is not a de Polignac number, because 44440197 - 24 = 44440181 is a prime.

It is a super-2 number, since 2×444401972 = 3949862218797618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440177) 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, 53653 + ... + 54474.

It is an arithmetic number, because the mean of its divisors is an integer number (7460832).

Almost surely, 244440197 is an apocalyptic number.

It is an amenable number.

44440197 is a deficient number, since it is larger than the sum of its proper divisors (15246459).

44440197 is a wasteful number, since it uses less digits than its factorization.

44440197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108267.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 44440197 is about 6666.3481007220. The cubic root of 44440197 is about 354.2082387433.

The spelling of 44440197 in words is "forty-four million, four hundred forty thousand, one hundred ninety-seven".

Divisors: 1 3 137 411 108127 324381 14813399 44440197