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12470808 = 233774231
BaseRepresentation
bin101111100100…
…101000011000
3212110120201210
4233210220120
511143031213
61123143120
7211000020
oct57445030
925416653
1012470808
117048559
124214aa0
13277839c
141928a80
1511650c3
hexbe4a18

12470808 has 32 divisors (see below), whose sum is σ = 35631360. Its totient is φ = 3563040.

The previous prime is 12470803. The next prime is 12470831. The reversal of 12470808 is 80807421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12470803) 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 7 ways as a sum of consecutive naturals, for example, 36948 + ... + 37283.

It is an arithmetic number, because the mean of its divisors is an integer number (1113480).

Almost surely, 212470808 is an apocalyptic number.

It is an amenable number.

12470808 is an abundant number, since it is smaller than the sum of its proper divisors (23160552).

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

12470808 is a wasteful number, since it uses less digits than its factorization.

12470808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74247 (or 74243 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 12470808 is about 3531.4031205740. The cubic root of 12470808 is about 231.8986378452.

The spelling of 12470808 in words is "twelve million, four hundred seventy thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 74231 148462 222693 296924 445386 519617 593848 890772 1039234 1558851 1781544 2078468 3117702 4156936 6235404 12470808