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13869514 = 26934757
BaseRepresentation
bin110100111010…
…000111001010
3222002122101201
4310322013022
512022311024
61213134414
7225613621
oct64720712
928078351
1013869514
11791340a
12478a40a
132b47c19
141bb06b8
15133e744
hexd3a1ca

13869514 has 4 divisors (see below), whose sum is σ = 20804274. Its totient is φ = 6934756.

The previous prime is 13869503. The next prime is 13869523. The reversal of 13869514 is 41596831.

13869514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 5267025 = 2933^2 + 2295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467377 + ... + 3467380.

Almost surely, 213869514 is an apocalyptic number.

13869514 is a deficient number, since it is larger than the sum of its proper divisors (6934760).

13869514 is an equidigital number, since it uses as much as digits as its factorization.

13869514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934759.

The product of its digits is 25920, while the sum is 37.

The square root of 13869514 is about 3724.1796412096. The cubic root of 13869514 is about 240.2631026691.

The spelling of 13869514 in words is "thirteen million, eight hundred sixty-nine thousand, five hundred fourteen".

Divisors: 1 2 6934757 13869514