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14521000 = 2353131117
BaseRepresentation
bin110111011001…
…001010101000
31000022202001211
4313121022220
512204133000
61235122504
7234266164
oct67311250
930282054
1014521000
11821892a
124a43434
133015610
141cddca4
15141c7ba
hexdd92a8

14521000 has 64 divisors (see below), whose sum is σ = 36625680. Its totient is φ = 5356800.

The previous prime is 14520953. The next prime is 14521007. The reversal of 14521000 is 12541.

14521000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1285956 + 13235044 = 1134^2 + 3638^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (14521007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12442 + ... + 13558.

Almost surely, 214521000 is an apocalyptic number.

14521000 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 14521000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18312840).

14521000 is an abundant number, since it is smaller than the sum of its proper divisors (22104680).

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

14521000 is a wasteful number, since it uses less digits than its factorization.

14521000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 14521000 is about 3810.6429903627. The cubic root of 14521000 is about 243.9676119333.

Adding to 14521000 its reverse (12541), we get a palindrome (14533541).

The spelling of 14521000 in words is "fourteen million, five hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 200 250 260 325 500 520 650 1000 1117 1300 1625 2234 2600 3250 4468 5585 6500 8936 11170 13000 14521 22340 27925 29042 44680 55850 58084 72605 111700 116168 139625 145210 223400 279250 290420 363025 558500 580840 726050 1117000 1452100 1815125 2904200 3630250 7260500 14521000