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14538400 = 2552171069
BaseRepresentation
bin110111011101…
…011010100000
31000100121221021
4313131122200
512210212100
61235335224
7234401002
oct67353240
930317837
1014538400
11822aa08
124a51514
133020506
141d06372
151422a1a
hexddd6a0

14538400 has 72 divisors (see below), whose sum is σ = 37614780. Its totient is φ = 5468160.

The previous prime is 14538389. The next prime is 14538413. The reversal of 14538400 is 483541.

It can be written as a sum of positive squares in 6 ways, for example, as 7118224 + 7420176 = 2668^2 + 2724^2 .

It is a super-2 number, since 2×145384002 = 422730149120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13066 + ... + 14134.

Almost surely, 214538400 is an apocalyptic number.

14538400 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 14538400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18807390).

14538400 is an abundant number, since it is smaller than the sum of its proper divisors (23076380).

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

14538400 is a wasteful number, since it uses less digits than its factorization.

14538400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 14538400 is about 3812.9253861045. The cubic root of 14538400 is about 244.0650189534.

The spelling of 14538400 in words is "fourteen million, five hundred thirty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1069 1360 1700 2138 2720 3400 4276 5345 6800 8552 10690 13600 17104 18173 21380 26725 34208 36346 42760 53450 72692 85520 90865 106900 145384 171040 181730 213800 290768 363460 427600 454325 581536 726920 855200 908650 1453840 1817300 2907680 3634600 7269200 14538400