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9415 = 57269
BaseRepresentation
bin10010011000111
3110220201
42103013
5300130
6111331
736310
oct22307
913821
109415
11708a
125547
134393
143607
152bca
hex24c7

9415 has 8 divisors (see below), whose sum is σ = 12960. Its totient is φ = 6432.

The previous prime is 9413. The next prime is 9419. The reversal of 9415 is 5149.

9415 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9415 - 21 = 9413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9392 and 9401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 169.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

29415 is an apocalyptic number.

9415 is a deficient number, since it is larger than the sum of its proper divisors (3545).

9415 is a wasteful number, since it uses less digits than its factorization.

9415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its digits is 180, while the sum is 19.

The square root of 9415 is about 97.0309229061. The cubic root of 9415 is about 21.1157627997.

It can be divided in two parts, 941 and 5, that added together give a triangular number (946 = T43).

The spelling of 9415 in words is "nine thousand, four hundred fifteen".

Divisors: 1 5 7 35 269 1345 1883 9415