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12284000 = 25533783
BaseRepresentation
bin101110110111…
…000001100000
3212010002110222
4232313001200
511121042000
61115142212
7206261261
oct56670140
925102428
1012284000
116a30173
124144968
132711351
1418ba968
151129a85
hexbb7060

12284000 has 96 divisors (see below), whose sum is σ = 31370976. Its totient is φ = 4723200.

The previous prime is 12283961. The next prime is 12284003. The reversal of 12284000 is 48221.

It is a self number, because there is not a number n which added to its sum of digits gives 12284000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12284003) 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 15 ways as a sum of consecutive naturals, for example, 147959 + ... + 148041.

It is an arithmetic number, because the mean of its divisors is an integer number (326781).

Almost surely, 212284000 is an apocalyptic number.

12284000 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 12284000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15685488).

12284000 is an abundant number, since it is smaller than the sum of its proper divisors (19086976).

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

12284000 is an equidigital number, since it uses as much as digits as its factorization.

12284000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 12284000 is about 3504.8537772638. The cubic root of 12284000 is about 230.7348894767.

The spelling of 12284000 in words is "twelve million, two hundred eighty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 74 80 83 100 125 148 160 166 185 200 250 296 332 370 400 415 500 592 664 740 800 830 925 1000 1184 1328 1480 1660 1850 2000 2075 2656 2960 3071 3320 3700 4000 4150 4625 5920 6142 6640 7400 8300 9250 10375 12284 13280 14800 15355 16600 18500 20750 24568 29600 30710 33200 37000 41500 49136 61420 66400 74000 76775 83000 98272 122840 148000 153550 166000 245680 307100 332000 383875 491360 614200 767750 1228400 1535500 2456800 3071000 6142000 12284000