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13241415 = 351180251
BaseRepresentation
bin110010100000…
…110001000111
3220220201210210
4302200301013
511342211130
61151450503
7220356465
oct62406107
926821723
1013241415
117524520
124526a33
132988075
141a89835
1512685b0
hexca0c47

13241415 has 16 divisors (see below), whose sum is σ = 23112576. Its totient is φ = 6420000.

The previous prime is 13241387. The next prime is 13241471. The reversal of 13241415 is 51414231.

It is not a de Polignac number, because 13241415 - 28 = 13241159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13241391 and 13241400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39961 + ... + 40290.

It is an arithmetic number, because the mean of its divisors is an integer number (1444536).

Almost surely, 213241415 is an apocalyptic number.

13241415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13241415 is a deficient number, since it is larger than the sum of its proper divisors (9871161).

13241415 is a wasteful number, since it uses less digits than its factorization.

13241415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80270.

The product of its digits is 480, while the sum is 21.

The square root of 13241415 is about 3638.8755131222. The cubic root of 13241415 is about 236.5800571358.

Adding to 13241415 its reverse (51414231), we get a palindrome (64655646).

The spelling of 13241415 in words is "thirteen million, two hundred forty-one thousand, four hundred fifteen".

Divisors: 1 3 5 11 15 33 55 165 80251 240753 401255 882761 1203765 2648283 4413805 13241415