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44149 = 721753
BaseRepresentation
bin1010110001110101
32020120011
422301311
52403044
6540221
7242500
oct126165
966504
1044149
1130196
1221671
1317131
1412137
15d134
hexac75

44149 has 12 divisors (see below), whose sum is σ = 55404. Its totient is φ = 34944.

The previous prime is 44131. The next prime is 44159. The reversal of 44149 is 94144.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33124 + 11025 = 182^2 + 105^2 .

It is not a de Polignac number, because 44149 - 27 = 44021 is a prime.

It is a Duffinian number.

44149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (4617).

244149 is an apocalyptic number.

44149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

44149 is a deficient number, since it is larger than the sum of its proper divisors (11255).

44149 is a wasteful number, since it uses less digits than its factorization.

44149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 77 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 44149 is about 210.1166342773. The cubic root of 44149 is about 35.3432885994.

It can be divided in two parts, 441 and 49, that multiplied together give a square (21609 = 1472).

The spelling of 44149 in words is "forty-four thousand, one hundred forty-nine".

Divisors: 1 7 17 49 53 119 371 833 901 2597 6307 44149