Base | Representation |
---|---|
bin | 110011101100… |
… | …001000111000 |
3 | 221111102021220 |
4 | 303230020320 |
5 | 11432101021 |
6 | 1202232040 |
7 | 223113525 |
oct | 63541070 |
9 | 27442256 |
10 | 13550136 |
11 | 7715466 |
12 | 4655620 |
13 | 2a65742 |
14 | 1b2a14c |
15 | 12c9cc6 |
hex | cec238 |
13550136 has 32 divisors (see below), whose sum is σ = 34108800. Its totient is φ = 4485600.
The previous prime is 13550129. The next prime is 13550143. The reversal of 13550136 is 63105531.
It is an interprime number because it is at equal distance from previous prime (13550129) and next prime (13550143).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 5493.
It is an arithmetic number, because the mean of its divisors is an integer number (1065900).
Almost surely, 213550136 is an apocalyptic number.
It is an amenable number.
13550136 is an abundant number, since it is smaller than the sum of its proper divisors (20558664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13550136 is a wasteful number, since it uses less digits than its factorization.
13550136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3899 (or 3895 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 13550136 is about 3681.0509368929. The cubic root of 13550136 is about 238.4045563894.
Adding to 13550136 its reverse (63105531), we get a palindrome (76655667).
The spelling of 13550136 in words is "thirteen million, five hundred fifty thousand, one hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •