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12421150 = 2527231543
BaseRepresentation
bin101111011000…
…100000011110
3212101001121121
4233120200132
511134434100
61122121154
7210402160
oct57304036
925331547
1012421150
117014215
1241b01ba
13275b8c1
141914930
15115551a
hexbd881e

12421150 has 48 divisors (see below), whose sum is σ = 27569664. Its totient is φ = 4070880.

The previous prime is 12421121. The next prime is 12421163. The reversal of 12421150 is 5112421.

12421150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7279 + ... + 8821.

It is an arithmetic number, because the mean of its divisors is an integer number (574368).

Almost surely, 212421150 is an apocalyptic number.

12421150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421150 is an abundant number, since it is smaller than the sum of its proper divisors (15148514).

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

12421150 is a wasteful number, since it uses less digits than its factorization.

12421150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12421150 is about 3524.3651910663. The cubic root of 12421150 is about 231.5904262923.

Adding to 12421150 its reverse (5112421), we get a palindrome (17533571).

The spelling of 12421150 in words is "twelve million, four hundred twenty-one thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 115 161 175 230 322 350 575 805 1150 1543 1610 3086 4025 7715 8050 10801 15430 21602 35489 38575 54005 70978 77150 108010 177445 248423 270025 354890 496846 540050 887225 1242115 1774450 2484230 6210575 12421150