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13869670 = 2567127163
BaseRepresentation
bin110100111010…
…001001100110
3222002122121111
4310322021212
512022312140
61213135234
7225614233
oct64721146
928078544
1013869670
117913541
12478a51a
132b48009
141bb078a
15133e7ea
hexd3a266

13869670 has 32 divisors (see below), whose sum is σ = 25694208. Its totient is φ = 5388768.

The previous prime is 13869649. The next prime is 13869673. The reversal of 13869670 is 7696831.

13869670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13869673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85009 + ... + 85171.

It is an arithmetic number, because the mean of its divisors is an integer number (802944).

Almost surely, 213869670 is an apocalyptic number.

13869670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13869670 is a deficient number, since it is larger than the sum of its proper divisors (11824538).

13869670 is a wasteful number, since it uses less digits than its factorization.

13869670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 13869670 is about 3724.2005853606. The cubic root of 13869670 is about 240.2640034674.

The spelling of 13869670 in words is "thirteen million, eight hundred sixty-nine thousand, six hundred seventy".

Divisors: 1 2 5 10 67 127 134 163 254 326 335 635 670 815 1270 1630 8509 10921 17018 20701 21842 41402 42545 54605 85090 103505 109210 207010 1386967 2773934 6934835 13869670