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13242378 = 237333011
BaseRepresentation
bin110010100001…
…000000001010
3220220210010110
4302201000022
511342224003
61151455150
7220362342
oct62410012
926823113
1013242378
117525216
1245274b6
132988636
141a89d22
151268a03
hexca100a

13242378 has 16 divisors (see below), whose sum is σ = 26529696. Its totient is φ = 4406640.

The previous prime is 13242377. The next prime is 13242379. The reversal of 13242378 is 87324231.

It is an interprime number because it is at equal distance from previous prime (13242377) and next prime (13242379).

It is not an unprimeable number, because it can be changed into a prime (13242377) 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, 2893 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (1658106).

Almost surely, 213242378 is an apocalyptic number.

13242378 is an abundant number, since it is smaller than the sum of its proper divisors (13287318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13242378 is a wasteful number, since it uses less digits than its factorization.

13242378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its digits is 8064, while the sum is 30.

The square root of 13242378 is about 3639.0078318135. The cubic root of 13242378 is about 236.5857921994.

The spelling of 13242378 in words is "thirteen million, two hundred forty-two thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 733 1466 2199 3011 4398 6022 9033 18066 2207063 4414126 6621189 13242378