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13152141 = 321461349
BaseRepresentation
bin110010001010…
…111110001101
3220202012100100
4302022332031
511331332031
61145521313
7216535302
oct62127615
926665310
1013152141
117473442
1244a3239
132956542
141a650a9
15124bde6
hexc8af8d

13152141 has 6 divisors (see below), whose sum is σ = 18997550. Its totient is φ = 8768088.

The previous prime is 13152127. The next prime is 13152193. The reversal of 13152141 is 14125131.

It can be written as a sum of positive squares in only one way, i.e., 8678916 + 4473225 = 2946^2 + 2115^2 .

It is not a de Polignac number, because 13152141 - 26 = 13152077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13152241) 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 5 ways as a sum of consecutive naturals, for example, 730666 + ... + 730683.

Almost surely, 213152141 is an apocalyptic number.

It is an amenable number.

13152141 is a deficient number, since it is larger than the sum of its proper divisors (5845409).

13152141 is a wasteful number, since it uses less digits than its factorization.

13152141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461355 (or 1461352 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 13152141 is about 3626.5880659375. The cubic root of 13152141 is about 236.0471812688.

Adding to 13152141 its reverse (14125131), we get a palindrome (27277272).

The spelling of 13152141 in words is "thirteen million, one hundred fifty-two thousand, one hundred forty-one".

Divisors: 1 3 9 1461349 4384047 13152141