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13953065 = 572317333
BaseRepresentation
bin110101001110…
…100000101001
3222020220000012
4311032200221
512032444230
61215021305
7226412330
oct65164051
928226005
1013953065
117970165
12480a835
132b76c69
141bd2d17
151359395
hexd4e829

13953065 has 16 divisors (see below), whose sum is σ = 19968768. Its totient is φ = 9151296.

The previous prime is 13953053. The next prime is 13953067. The reversal of 13953065 is 56035931.

It is a de Polignac number, because none of the positive numbers 2k-13953065 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13953067) 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 15 ways as a sum of consecutive naturals, for example, 7862 + ... + 9471.

It is an arithmetic number, because the mean of its divisors is an integer number (1248048).

Almost surely, 213953065 is an apocalyptic number.

It is an amenable number.

13953065 is a deficient number, since it is larger than the sum of its proper divisors (6015703).

13953065 is a wasteful number, since it uses less digits than its factorization.

13953065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 13953065 is about 3735.3801680686. The cubic root of 13953065 is about 240.7445914776.

Adding to 13953065 its reverse (56035931), we get a palindrome (69988996).

The spelling of 13953065 in words is "thirteen million, nine hundred fifty-three thousand, sixty-five".

Divisors: 1 5 7 23 35 115 161 805 17333 86665 121331 398659 606655 1993295 2790613 13953065