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14538528 = 25347179
BaseRepresentation
bin110111011101…
…011100100000
31000100122010000
4313131130200
512210213103
61235340000
7234401244
oct67353440
930318100
1014538528
118230014
124a51600
1330205a4
141d06424
151422aa3
hexddd720

14538528 has 120 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 4717440.

The previous prime is 14538527. The next prime is 14538547. The reversal of 14538528 is 82583541.

It is a happy number.

It is a super-2 number, since 2×145385282 = 422737592813568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14538492 and 14538501.

It is not an unprimeable number, because it can be changed into a prime (14538527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 183993 + ... + 184071.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

Almost surely, 214538528 is an apocalyptic number.

14538528 is a gapful number since it is divisible by the number (18) 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 14538528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21954240).

14538528 is an abundant number, since it is smaller than the sum of its proper divisors (29369952).

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

14538528 is an equidigital number, since it uses as much as digits as its factorization.

14538528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 155 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 14538528 is about 3812.9421710800. The cubic root of 14538528 is about 244.0657352227.

The spelling of 14538528 in words is "fourteen million, five hundred thirty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 71 72 79 81 96 108 142 144 158 162 213 216 237 284 288 316 324 426 432 474 568 632 639 648 711 852 864 948 1136 1264 1278 1296 1422 1704 1896 1917 2133 2272 2528 2556 2592 2844 3408 3792 3834 4266 5112 5609 5688 5751 6399 6816 7584 7668 8532 10224 11218 11376 11502 12798 15336 16827 17064 20448 22436 22752 23004 25596 30672 33654 34128 44872 46008 50481 51192 61344 67308 68256 89744 92016 100962 102384 134616 151443 179488 184032 201924 204768 269232 302886 403848 454329 538464 605772 807696 908658 1211544 1615392 1817316 2423088 3634632 4846176 7269264 14538528