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13415331 = 37276151
BaseRepresentation
bin110011001011…
…001110100011
3221020120101010
4303023032203
511413242311
61155312003
7222012516
oct63131643
927216333
1013415331
117633156
1245ab603
132a19287
141ad2d7d
15129eda6
hexccb3a3

13415331 has 8 divisors (see below), whose sum is σ = 17914624. Its totient is φ = 8929800.

The previous prime is 13415327. The next prime is 13415333. The reversal of 13415331 is 13351431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13415331 - 22 = 13415327 is a prime.

It is a super-2 number, since 2×134153312 = 359942211679122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13415298 and 13415307.

It is not an unprimeable number, because it can be changed into a prime (13415333) 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 7 ways as a sum of consecutive naturals, for example, 895 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (2239328).

Almost surely, 213415331 is an apocalyptic number.

13415331 is a deficient number, since it is larger than the sum of its proper divisors (4499293).

13415331 is an equidigital number, since it uses as much as digits as its factorization.

13415331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its digits is 540, while the sum is 21.

The square root of 13415331 is about 3662.6944999549. The cubic root of 13415331 is about 237.6113221430.

Adding to 13415331 its reverse (13351431), we get a palindrome (26766762).

The spelling of 13415331 in words is "thirteen million, four hundred fifteen thousand, three hundred thirty-one".

Divisors: 1 3 727 2181 6151 18453 4471777 13415331