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12398000 = 24536199
BaseRepresentation
bin101111010010…
…110110110000
3212022212212012
4233102312300
511133214000
61121422052
7210244526
oct57226660
925285765
1012398000
116aa888a
12419a928
1327511c4
14190a316
15114d735
hexbd2db0

12398000 has 40 divisors (see below), whose sum is σ = 29983200. Its totient is φ = 4958400.

The previous prime is 12397991. The next prime is 12398011. The reversal of 12398000 is 89321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (749580).

Almost surely, 212398000 is an apocalyptic number.

12398000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12398000 is an abundant number, since it is smaller than the sum of its proper divisors (17585200).

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

12398000 is an equidigital number, since it uses as much as digits as its factorization.

12398000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12398000 is about 3521.0793799629. The cubic root of 12398000 is about 231.4464607563.

The spelling of 12398000 in words is "twelve million, three hundred ninety-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6199 12398 24796 30995 49592 61990 99184 123980 154975 247960 309950 495920 619900 774875 1239800 1549750 2479600 3099500 6199000 12398000