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13545201 = 34515067
BaseRepresentation
bin110011101010…
…111011110001
3221111011112010
4303222323301
511431421301
61202153133
7223063245
oct63527361
927434463
1013545201
11771178a
1246527a9
132a63417
141b28425
1512c85d6
hexceaef1

13545201 has 4 divisors (see below), whose sum is σ = 18060272. Its totient is φ = 9030132.

The previous prime is 13545199. The next prime is 13545227. The reversal of 13545201 is 10254531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13545201 - 21 = 13545199 is a prime.

It is a super-3 number, since 3×135452013 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13545251) 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, 2257531 + ... + 2257536.

It is an arithmetic number, because the mean of its divisors is an integer number (4515068).

Almost surely, 213545201 is an apocalyptic number.

It is an amenable number.

13545201 is a deficient number, since it is larger than the sum of its proper divisors (4515071).

13545201 is an equidigital number, since it uses as much as digits as its factorization.

13545201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515070.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13545201 is about 3680.3805509757. The cubic root of 13545201 is about 238.3756103245.

Adding to 13545201 its reverse (10254531), we get a palindrome (23799732).

It can be divided in two parts, 1354 and 5201, that added together give a triangular number (6555 = T114).

The spelling of 13545201 in words is "thirteen million, five hundred forty-five thousand, two hundred one".

Divisors: 1 3 4515067 13545201