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12449232 = 243286453
BaseRepresentation
bin101111011111…
…010111010000
3212102111010200
4233133113100
511141333412
61122455200
7210550065
oct57372720
925374120
1012449232
117033324
124204500
13276b613
141920c6c
15115d9dc
hexbdf5d0

12449232 has 30 divisors (see below), whose sum is σ = 34840962. Its totient is φ = 4149696.

The previous prime is 12449147. The next prime is 12449243. The reversal of 12449232 is 23294421.

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 4016016 = 2904^2 + 2004^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12449196 and 12449205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43083 + ... + 43370.

Almost surely, 212449232 is an apocalyptic number.

12449232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12449232 is an abundant number, since it is smaller than the sum of its proper divisors (22391730).

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

12449232 is a wasteful number, since it uses less digits than its factorization.

12449232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86467 (or 86458 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12449232 is about 3528.3469217184. The cubic root of 12449232 is about 231.7648231181.

The spelling of 12449232 in words is "twelve million, four hundred forty-nine thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 86453 172906 259359 345812 518718 691624 778077 1037436 1383248 1556154 2074872 3112308 4149744 6224616 12449232