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14442500 = 225453109
BaseRepresentation
bin110111000110…
…000000000100
31000011202101102
4313012000010
512144130000
61233315232
7233521262
oct67060004
930152342
1014442500
118174956
124a05b18
132cb8977
141cbd432
1514043d5
hexdc6004

14442500 has 60 divisors (see below), whose sum is σ = 32473980. Its totient is φ = 5616000.

The previous prime is 14442499. The next prime is 14442509. The reversal of 14442500 is 524441.

It can be written as a sum of positive squares in 10 ways, for example, as 8202496 + 6240004 = 2864^2 + 2498^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14442509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 132446 + ... + 132554.

It is an arithmetic number, because the mean of its divisors is an integer number (541233).

Almost surely, 214442500 is an apocalyptic number.

14442500 is a gapful number since it is divisible by the number (10) 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 14442500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16236990).

14442500 is an abundant number, since it is smaller than the sum of its proper divisors (18031480).

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

14442500 is a wasteful number, since it uses less digits than its factorization.

14442500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14442500 is about 3800.3289331320. The cubic root of 14442500 is about 243.5271906525.

Adding to 14442500 its reverse (524441), we get a palindrome (14966941).

It can be divided in two parts, 1444 and 2500, that multiplied together give a square (3610000 = 19002).

The spelling of 14442500 in words is "fourteen million, four hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 53 100 106 109 125 212 218 250 265 436 500 530 545 625 1060 1090 1250 1325 2180 2500 2650 2725 5300 5450 5777 6625 10900 11554 13250 13625 23108 26500 27250 28885 33125 54500 57770 66250 68125 115540 132500 136250 144425 272500 288850 577700 722125 1444250 2888500 3610625 7221250 14442500