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13533045 = 354212143
BaseRepresentation
bin110011100111…
…111101110101
3221110112211220
4303213331311
511431024140
61202020553
7223012641
oct63477565
927415756
1013533045
117703639
124647759
132a5aa26
141b23c21
1512c4bd0
hexce7f75

13533045 has 16 divisors (see below), whose sum is σ = 21714432. Its totient is φ = 7197120.

The previous prime is 13533043. The next prime is 13533061. The reversal of 13533045 is 54033531.

It is a happy number.

It is not a de Polignac number, because 13533045 - 21 = 13533043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244 + ... + 7386.

It is an arithmetic number, because the mean of its divisors is an integer number (1357152).

Almost surely, 213533045 is an apocalyptic number.

13533045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13533045 is a deficient number, since it is larger than the sum of its proper divisors (8181387).

13533045 is a wasteful number, since it uses less digits than its factorization.

13533045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 13533045 is about 3678.7287206316. The cubic root of 13533045 is about 238.3042797431.

Adding to 13533045 its reverse (54033531), we get a palindrome (67566576).

It can be divided in two parts, 1353 and 3045, that multiplied together give a triangular number (4119885 = T2870).

The spelling of 13533045 in words is "thirteen million, five hundred thirty-three thousand, forty-five".

Divisors: 1 3 5 15 421 1263 2105 2143 6315 6429 10715 32145 902203 2706609 4511015 13533045