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13982400 = 263252971
BaseRepresentation
bin110101010101…
…101011000000
3222022101020200
4311111223000
512034414100
61215405200
7226564005
oct65255300
928271220
1013982400
117990203
124823800
132b87413
141bdd8ac
151362e00
hexd55ac0

13982400 has 126 divisors (see below), whose sum is σ = 49747932. Its totient is φ = 3724800.

The previous prime is 13982399. The next prime is 13982401. The reversal of 13982400 is 428931.

It is an interprime number because it is at equal distance from previous prime (13982399) and next prime (13982401).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13982401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13915 + ... + 14885.

It is a vampire number, since it can be written as 29134800 (with its own digits).

Almost surely, 213982400 is an apocalyptic number.

13982400 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 13982400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24873966).

13982400 is an abundant number, since it is smaller than the sum of its proper divisors (35765532).

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

13982400 is a wasteful number, since it uses less digits than its factorization.

13982400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13982400 is about 3739.3047482119. The cubic root of 13982400 is about 240.9131876279.

The spelling of 13982400 in words is "thirteen million, nine hundred eighty-two thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 971 1200 1440 1600 1800 1942 2400 2880 2913 3600 3884 4800 4855 5826 7200 7768 8739 9710 11652 14400 14565 15536 17478 19420 23304 24275 29130 31072 34956 38840 43695 46608 48550 58260 62144 69912 72825 77680 87390 93216 97100 116520 139824 145650 155360 174780 186432 194200 218475 233040 279648 291300 310720 349560 388400 436950 466080 559296 582600 699120 776800 873900 932160 1165200 1398240 1553600 1747800 2330400 2796480 3495600 4660800 6991200 13982400