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44023144 = 23111513313
BaseRepresentation
bin1010011111101…
…1110101101000
310001211121101211
42213323311220
542232220034
64211322504
71043122234
oct247736550
9101747354
1044023144
1122939270
12128b0434
139174ac9
145bbd5c4
153ce8d64
hex29fbd68

44023144 has 32 divisors (see below), whose sum is σ = 90671040. Its totient is φ = 19872000.

The previous prime is 44023129. The next prime is 44023157. The reversal of 44023144 is 44132044.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11632 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (2833470).

Almost surely, 244023144 is an apocalyptic number.

44023144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44023144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45335520).

44023144 is an abundant number, since it is smaller than the sum of its proper divisors (46647896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44023144 is a wasteful number, since it uses less digits than its factorization.

44023144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44023144 is about 6634.9938960032. The cubic root of 44023144 is about 353.0967214570.

Adding to 44023144 its reverse (44132044), we get a palindrome (88155188).

Subtracting 44023144 from its reverse (44132044), we obtain a square (108900 = 3302).

The spelling of 44023144 in words is "forty-four million, twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 151 302 604 1208 1661 3313 3322 6626 6644 13252 13288 26504 36443 72886 145772 291544 500263 1000526 2001052 4002104 5502893 11005786 22011572 44023144