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13480847 = 17792991
BaseRepresentation
bin110011011011…
…001110001111
3221100220020122
4303123032033
511422341342
61200535155
7222404522
oct63331617
927326218
1013480847
1176783a6
1246214bb
132a40043
141b0cbb9
1512b44d2
hexcdb38f

13480847 has 4 divisors (see below), whose sum is σ = 14273856. Its totient is φ = 12687840.

The previous prime is 13480843. The next prime is 13480867. The reversal of 13480847 is 74808431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13480847 - 22 = 13480843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396479 + ... + 396512.

It is an arithmetic number, because the mean of its divisors is an integer number (3568464).

Almost surely, 213480847 is an apocalyptic number.

13480847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13480847 is a deficient number, since it is larger than the sum of its proper divisors (793009).

13480847 is an equidigital number, since it uses as much as digits as its factorization.

13480847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793008.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 13480847 is about 3671.6272959003. The cubic root of 13480847 is about 237.9974989733.

The spelling of 13480847 in words is "thirteen million, four hundred eighty thousand, eight hundred forty-seven".

Divisors: 1 17 792991 13480847