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13894154 = 26947077
BaseRepresentation
bin110101000000…
…001000001010
3222010220012022
4311000020022
512024103104
61213444442
7226045511
oct65001012
928126168
1013894154
11792a97a
1247a0722
132b561c1
141bb9678
151346bbe
hexd4020a

13894154 has 4 divisors (see below), whose sum is σ = 20841234. Its totient is φ = 6947076.

The previous prime is 13894123. The next prime is 13894157. The reversal of 13894154 is 45149831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45149831 = 149303019.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 403225 = 3673^2 + 635^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13894157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473537 + ... + 3473540.

Almost surely, 213894154 is an apocalyptic number.

13894154 is a deficient number, since it is larger than the sum of its proper divisors (6947080).

13894154 is an equidigital number, since it uses as much as digits as its factorization.

13894154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947079.

The product of its digits is 17280, while the sum is 35.

The square root of 13894154 is about 3727.4862843477. The cubic root of 13894154 is about 240.4052989641.

The spelling of 13894154 in words is "thirteen million, eight hundred ninety-four thousand, one hundred fifty-four".

Divisors: 1 2 6947077 13894154