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13695845 = 54166809
BaseRepresentation
bin110100001111…
…101101100101
3221202211011112
4310033231211
512001231340
61205314405
7224261402
oct64175545
927684145
1013695845
117804989
124705a05
132ab6b67
141b672a9
151308065
hexd0fb65

13695845 has 8 divisors (see below), whose sum is σ = 16836120. Its totient is φ = 10689280.

The previous prime is 13695841. The next prime is 13695881. The reversal of 13695845 is 54859631.

It can be written as a sum of positive squares in 4 ways, for example, as 743044 + 12952801 = 862^2 + 3599^2 .

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

It is not a de Polignac number, because 13695845 - 22 = 13695841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13695841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33200 + ... + 33609.

It is an arithmetic number, because the mean of its divisors is an integer number (2104515).

Almost surely, 213695845 is an apocalyptic number.

It is an amenable number.

13695845 is a deficient number, since it is larger than the sum of its proper divisors (3140275).

13695845 is an equidigital number, since it uses as much as digits as its factorization.

13695845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66855.

The product of its digits is 129600, while the sum is 41.

The square root of 13695845 is about 3700.7897805739. The cubic root of 13695845 is about 239.2560586146.

The spelling of 13695845 in words is "thirteen million, six hundred ninety-five thousand, eight hundred forty-five".

Divisors: 1 5 41 205 66809 334045 2739169 13695845