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44142525 = 3252728027
BaseRepresentation
bin1010100001100…
…0111110111101
310002001200011100
42220120332331
542300030100
64214043313
71044130260
oct250307675
9102050140
1044142525
1122a0aa29
1212949539
1391b724b
145c10cd7
153d1e400
hex2a18fbd

44142525 has 36 divisors (see below), whose sum is σ = 90362272. Its totient is φ = 20178720.

The previous prime is 44142521. The next prime is 44142547. The reversal of 44142525 is 52524144.

It is not a de Polignac number, because 44142525 - 22 = 44142521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44142521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12439 + ... + 15588.

Almost surely, 244142525 is an apocalyptic number.

44142525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44142525 is an abundant number, since it is smaller than the sum of its proper divisors (46219747).

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

44142525 is a wasteful number, since it uses less digits than its factorization.

44142525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28050 (or 28042 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 44142525 is about 6643.9841209925. The cubic root of 44142525 is about 353.4156067065.

Adding to 44142525 its reverse (52524144), we get a palindrome (96666669).

The spelling of 44142525 in words is "forty-four million, one hundred forty-two thousand, five hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 28027 84081 140135 196189 252243 420405 588567 700675 980945 1261215 1765701 2102025 2942835 4904725 6306075 8828505 14714175 44142525