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13867038 = 2369511
BaseRepresentation
bin110100111001…
…100000011110
3222002112000000
4310321200132
512022221123
61213115130
7225603453
oct64714036
928075000
1013867038
117911569
124788aa6
132b46a63
141bad82a
15133db43
hexd3981e

13867038 has 28 divisors (see below), whose sum is σ = 31189848. Its totient is φ = 4621860.

The previous prime is 13867037. The next prime is 13867039. The reversal of 13867038 is 83076831.

13867038 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13867037) and next prime (13867039).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13866993 and 13867011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13867031) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3298 + ... + 6213.

Almost surely, 213867038 is an apocalyptic number.

13867038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13867038 is an abundant number, since it is smaller than the sum of its proper divisors (17322810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13867038 is an frugal number, since it uses more digits than its factorization.

13867038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13867038 is about 3723.8472041694. The cubic root of 13867038 is about 240.2488044789.

It can be divided in two parts, 138 and 67038, that added together give a palindrome (67176).

The spelling of 13867038 in words is "thirteen million, eight hundred sixty-seven thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 9511 19022 28533 57066 85599 171198 256797 513594 770391 1540782 2311173 4622346 6933519 13867038