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12486080 = 26539019
BaseRepresentation
bin101111101000…
…010111000000
3212111100200102
4233220113000
511144023310
61123341532
7211062365
oct57502700
925440612
1012486080
117058a82
1242218a8
132782319
14193046c
1511698a5
hexbe85c0

12486080 has 28 divisors (see below), whose sum is σ = 29733240. Its totient is φ = 4994304.

The previous prime is 12486049. The next prime is 12486083. The reversal of 12486080 is 8068421.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12486083) 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 3 ways as a sum of consecutive naturals, for example, 19190 + ... + 19829.

Almost surely, 212486080 is an apocalyptic number.

12486080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12486080 is an abundant number, since it is smaller than the sum of its proper divisors (17247160).

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

12486080 is an equidigital number, since it uses as much as digits as its factorization.

12486080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39036 (or 39026 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 12486080 is about 3533.5647722944. The cubic root of 12486080 is about 231.9932617940.

The spelling of 12486080 in words is "twelve million, four hundred eighty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 39019 78038 156076 195095 312152 390190 624304 780380 1248608 1560760 2497216 3121520 6243040 12486080