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13415441 = 1343103233
BaseRepresentation
bin110011001011…
…010000010001
3221020120112012
4303023100101
511413243231
61155312305
7222013034
oct63132021
927216465
1013415441
117633246
1245ab695
132a19340
141ad301b
15129ee2b
hexccb411

13415441 has 16 divisors (see below), whose sum is σ = 14990976. Its totient is φ = 11926656.

The previous prime is 13415411. The next prime is 13415447. The reversal of 13415441 is 14451431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13415441 is a prime.

It is a super-3 number, since 3×134154413 (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13415447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57461 + ... + 57693.

It is an arithmetic number, because the mean of its divisors is an integer number (936936).

Almost surely, 213415441 is an apocalyptic number.

It is an amenable number.

13415441 is a deficient number, since it is larger than the sum of its proper divisors (1575535).

13415441 is a wasteful number, since it uses less digits than its factorization.

13415441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its digits is 960, while the sum is 23.

The square root of 13415441 is about 3662.7095161915. The cubic root of 13415441 is about 237.6119715784.

Adding to 13415441 its reverse (14451431), we get a palindrome (27866872).

The spelling of 13415441 in words is "thirteen million, four hundred fifteen thousand, four hundred forty-one".

Divisors: 1 13 43 103 233 559 1339 3029 4429 10019 23999 57577 130247 311987 1031957 13415441