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13888205 = 523120767
BaseRepresentation
bin110100111110…
…101011001101
3222010121000222
4310332223031
512023410310
61213401125
7226022252
oct64765315
928117028
1013888205
117926461
1247991a5
132b53596
141bb7429
151345055
hexd3eacd

13888205 has 8 divisors (see below), whose sum is σ = 17390592. Its totient is φ = 10627408.

The previous prime is 13888181. The next prime is 13888249. The reversal of 13888205 is 50288831.

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

It is a cyclic number.

It is not a de Polignac number, because 13888205 - 212 = 13884109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60269 + ... + 60498.

It is an arithmetic number, because the mean of its divisors is an integer number (2173824).

Almost surely, 213888205 is an apocalyptic number.

It is an amenable number.

13888205 is a deficient number, since it is larger than the sum of its proper divisors (3502387).

13888205 is a wasteful number, since it uses less digits than its factorization.

13888205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120795.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 13888205 is about 3726.6882080475. The cubic root of 13888205 is about 240.3709829660.

The spelling of 13888205 in words is "thirteen million, eight hundred eighty-eight thousand, two hundred five".

Divisors: 1 5 23 115 120767 603835 2777641 13888205