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13853723 = 135320107
BaseRepresentation
bin110100110110…
…010000011011
3222001211201212
4310312100123
512021304343
61212533335
7225516602
oct64662033
928054655
1013853723
117902564
12478124b
132b40990
141ba8a39
151339c18
hexd3641b

13853723 has 8 divisors (see below), whose sum is σ = 15201648. Its totient is φ = 12546144.

The previous prime is 13853711. The next prime is 13853729. The reversal of 13853723 is 32735831.

13853723 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 13853723 - 28 = 13853467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13853723.

It is not an unprimeable number, because it can be changed into a prime (13853729) 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, 9365 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (1900206).

Almost surely, 213853723 is an apocalyptic number.

13853723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13853723 is a deficient number, since it is larger than the sum of its proper divisors (1347925).

13853723 is a wasteful number, since it uses less digits than its factorization.

13853723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173.

The product of its digits is 15120, while the sum is 32.

The square root of 13853723 is about 3722.0589732029. The cubic root of 13853723 is about 240.1718849706.

The spelling of 13853723 in words is "thirteen million, eight hundred fifty-three thousand, seven hundred twenty-three".

Divisors: 1 13 53 689 20107 261391 1065671 13853723