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12470870 = 252943003
BaseRepresentation
bin101111100100…
…101001010110
3212110120211002
4233210221112
511143031440
61123143302
7211000136
oct57445126
925416732
1012470870
117048605
124214b32
132778419
141928ac6
151165115
hexbe4a56

12470870 has 16 divisors (see below), whose sum is σ = 23222160. Its totient is φ = 4816224.

The previous prime is 12470867. The next prime is 12470881. The reversal of 12470870 is 7807421.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 21212 + ... + 21791.

It is an arithmetic number, because the mean of its divisors is an integer number (1451385).

Almost surely, 212470870 is an apocalyptic number.

12470870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12470870 is a deficient number, since it is larger than the sum of its proper divisors (10751290).

12470870 is a wasteful number, since it uses less digits than its factorization.

12470870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43039.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12470870 is about 3531.4118989435. The cubic root of 12470870 is about 231.8990221478.

The spelling of 12470870 in words is "twelve million, four hundred seventy thousand, eight hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 43003 86006 215015 430030 1247087 2494174 6235435 12470870