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44172 = 2233409
BaseRepresentation
bin1010110010001100
32020121000
422302030
52403142
6540300
7242532
oct126214
966530
1044172
1130207
1221690
131714b
1412152
15d14c
hexac8c

44172 has 24 divisors (see below), whose sum is σ = 114800. Its totient is φ = 14688.

The previous prime is 44171. The next prime is 44179. The reversal of 44172 is 27144.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (44171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 312.

244172 is an apocalyptic number.

It is an amenable number.

44172 is an abundant number, since it is smaller than the sum of its proper divisors (70628).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57400).

44172 is a wasteful number, since it uses less digits than its factorization.

44172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 414 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 44172 is about 210.1713586576. The cubic root of 44172 is about 35.3494250504.

It can be divided in two parts, 44 and 172, that added together give a cube (216 = 63).

The spelling of 44172 in words is "forty-four thousand, one hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 409 818 1227 1636 2454 3681 4908 7362 11043 14724 22086 44172