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44131000 = 235344131
BaseRepresentation
bin1010100001011…
…0001010111000
310002001002100111
42220112022320
542244143000
64213514104
71044051544
oct250261270
9102032314
1044131000
1122a02301
1212942934
1391b1c24
145c0aa24
153d1acba
hex2a162b8

44131000 has 32 divisors (see below), whose sum is σ = 103268880. Its totient is φ = 17652000.

The previous prime is 44130991. The next prime is 44131007. The reversal of 44131000 is 13144.

It is a super-2 number, since 2×441310002 = 3895090322000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44131007) 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, 21066 + ... + 23065.

Almost surely, 244131000 is an apocalyptic number.

44131000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44131000 is an abundant number, since it is smaller than the sum of its proper divisors (59137880).

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

44131000 is a wasteful number, since it uses less digits than its factorization.

44131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44152 (or 44138 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 44131000 is about 6643.1167383992. The cubic root of 44131000 is about 353.3848467277.

Adding to 44131000 its reverse (13144), we get a palindrome (44144144).

It can be divided in two parts, 44 and 131000, that added together give a square (131044 = 3622).

The spelling of 44131000 in words is "forty-four million, one hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 44131 88262 176524 220655 353048 441310 882620 1103275 1765240 2206550 4413100 5516375 8826200 11032750 22065500 44131000