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13820014 = 2131731267
BaseRepresentation
bin110100101110…
…000001101110
3222000010111101
4310232001232
512014220024
61212113314
7225316405
oct64560156
928003441
1013820014
11788a1aa
12476583a
132b2b530
141b9a63c
15132ec44
hexd2e06e

13820014 has 16 divisors (see below), whose sum is σ = 23638608. Its totient is φ = 6003072.

The previous prime is 13819991. The next prime is 13820041. The reversal of 13820014 is 41002831.

13820014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13819973 and 13820000.

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, 15192 + ... + 16075.

It is an arithmetic number, because the mean of its divisors is an integer number (1477413).

Almost surely, 213820014 is an apocalyptic number.

13820014 is a deficient number, since it is larger than the sum of its proper divisors (9818594).

13820014 is a wasteful number, since it uses less digits than its factorization.

13820014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31299.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 13820014 is about 3717.5279420604. The cubic root of 13820014 is about 239.9769306530.

Adding to 13820014 its reverse (41002831), we get a palindrome (54822845).

The spelling of 13820014 in words is "thirteen million, eight hundred twenty thousand, fourteen".

Divisors: 1 2 13 17 26 34 221 442 31267 62534 406471 531539 812942 1063078 6910007 13820014