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13480503 = 34493501
BaseRepresentation
bin110011011011…
…001000110111
3221100212202220
4303123020313
511422334003
61200533423
7222403521
oct63331067
927325686
1013480503
117678113
124621273
132a3cb3a
141b0ca11
1512b4353
hexcdb237

13480503 has 4 divisors (see below), whose sum is σ = 17974008. Its totient is φ = 8987000.

The previous prime is 13480501. The next prime is 13480517. The reversal of 13480503 is 30508431.

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 13480503 - 21 = 13480501 is a prime.

It is a super-2 number, since 2×134805032 = 363447922266018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13480501) 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, 2246748 + ... + 2246753.

It is an arithmetic number, because the mean of its divisors is an integer number (4493502).

Almost surely, 213480503 is an apocalyptic number.

13480503 is a deficient number, since it is larger than the sum of its proper divisors (4493505).

13480503 is an equidigital number, since it uses as much as digits as its factorization.

13480503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493504.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13480503 is about 3671.5804498880. The cubic root of 13480503 is about 237.9954745744.

Adding to 13480503 its reverse (30508431), we get a palindrome (43988934).

The spelling of 13480503 in words is "thirteen million, four hundred eighty thousand, five hundred three".

Divisors: 1 3 4493501 13480503