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13482251 = 23095839
BaseRepresentation
bin110011011011…
…100100001011
3221100222011122
4303123210023
511422413001
61200545455
7222411566
oct63334413
927328148
1013482251
117679462
12462228b
132a40883
141b0d4dd
1512b4b1b
hexcdb90b

13482251 has 4 divisors (see below), whose sum is σ = 13490400. Its totient is φ = 13474104.

The previous prime is 13482239. The next prime is 13482253. The reversal of 13482251 is 15228431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15228431 = 59258109.

It is a cyclic number.

It is not a de Polignac number, because 13482251 - 210 = 13481227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13482251.

It is not an unprimeable number, because it can be changed into a prime (13482253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 611 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (3372600).

Almost surely, 213482251 is an apocalyptic number.

13482251 is a deficient number, since it is larger than the sum of its proper divisors (8149).

13482251 is an equidigital number, since it uses as much as digits as its factorization.

13482251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8148.

The product of its digits is 1920, while the sum is 26.

The square root of 13482251 is about 3671.8184867992. The cubic root of 13482251 is about 238.0057609885.

The spelling of 13482251 in words is "thirteen million, four hundred eighty-two thousand, two hundred fifty-one".

Divisors: 1 2309 5839 13482251