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13895069 = 17817357
BaseRepresentation
bin110101000000…
…010110011101
3222010221110012
4311000112131
512024120234
61213453005
7226051256
oct65002635
928127405
1013895069
117930631
1247a1165
132b56746
141bb9b2d
1513470ce
hexd4059d

13895069 has 4 divisors (see below), whose sum is σ = 14712444. Its totient is φ = 13077696.

The previous prime is 13895047. The next prime is 13895071. The reversal of 13895069 is 96059831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8922169 + 4972900 = 2987^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 13895069 - 28 = 13894813 is a prime.

It is a super-2 number, since 2×138950692 = 386145885029522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13895029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408662 + ... + 408695.

It is an arithmetic number, because the mean of its divisors is an integer number (3678111).

Almost surely, 213895069 is an apocalyptic number.

It is an amenable number.

13895069 is a deficient number, since it is larger than the sum of its proper divisors (817375).

13895069 is an equidigital number, since it uses as much as digits as its factorization.

13895069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817374.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13895069 is about 3727.6090191972. The cubic root of 13895069 is about 240.4105761481.

The spelling of 13895069 in words is "thirteen million, eight hundred ninety-five thousand, sixty-nine".

Divisors: 1 17 817357 13895069