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13480273 = 29716547
BaseRepresentation
bin110011011011…
…000101010001
3221100212110101
4303123011101
511422332043
61200532401
7222403042
oct63330521
927325411
1013480273
117677a24
124621101
132a3c9c1
141b0c8c9
1512b424d
hexcdb151

13480273 has 8 divisors (see below), whose sum is σ = 14143680. Its totient is φ = 12830160.

The previous prime is 13480241. The next prime is 13480283. The reversal of 13480273 is 37208431.

13480273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13480273 - 25 = 13480241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13480283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (1767960).

Almost surely, 213480273 is an apocalyptic number.

It is an amenable number.

13480273 is a deficient number, since it is larger than the sum of its proper divisors (663407).

13480273 is an equidigital number, since it uses as much as digits as its factorization.

13480273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13480273 is about 3671.5491280929. The cubic root of 13480273 is about 237.9941210327.

Subtracting from 13480273 its product of nonzero digits (4032), we obtain a square (13476241 = 36712).

The spelling of 13480273 in words is "thirteen million, four hundred eighty thousand, two hundred seventy-three".

Divisors: 1 29 71 2059 6547 189863 464837 13480273