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44140223 = 377915101
BaseRepresentation
bin1010100001100…
…0011010111111
310002001120000002
42220120122333
542244441343
64214024515
71044120461
oct250303277
9102046002
1044140223
1122a09226
121294813b
1391b619a
145c10131
153d1d8b8
hex2a186bf

44140223 has 8 divisors (see below), whose sum is σ = 45910080. Its totient is φ = 42400800.

The previous prime is 44140183. The next prime is 44140267. The reversal of 44140223 is 32204144.

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-44140223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44140195 and 44140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140273) 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, 4628 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (5738760).

Almost surely, 244140223 is an apocalyptic number.

44140223 is a deficient number, since it is larger than the sum of its proper divisors (1769857).

44140223 is a wasteful number, since it uses less digits than its factorization.

44140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44140223 is about 6643.8108793071. The cubic root of 44140223 is about 353.4094631456.

Adding to 44140223 its reverse (32204144), we get a palindrome (76344367).

The spelling of 44140223 in words is "forty-four million, one hundred forty thousand, two hundred twenty-three".

Divisors: 1 37 79 2923 15101 558737 1192979 44140223