Search a number
-
+
13945133 = 311094127
BaseRepresentation
bin110101001100…
…100100101101
3222020111010102
4311030210231
512032221013
61214520445
7226350236
oct65144455
928214112
1013945133
117965204
124806125
132b73477
141bd008d
151356d58
hexd4c92d

13945133 has 8 divisors (see below), whose sum is σ = 14530560. Its totient is φ = 13368240.

The previous prime is 13945121. The next prime is 13945157. The reversal of 13945133 is 33154931.

13945133 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13945133 - 210 = 13944109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13945096 and 13945105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (1816320).

Almost surely, 213945133 is an apocalyptic number.

It is an amenable number.

13945133 is a deficient number, since it is larger than the sum of its proper divisors (585427).

13945133 is a wasteful number, since it uses less digits than its factorization.

13945133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267.

The product of its digits is 4860, while the sum is 29.

The square root of 13945133 is about 3734.3182778119. The cubic root of 13945133 is about 240.6989635560.

The spelling of 13945133 in words is "thirteen million, nine hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 31 109 3379 4127 127937 449843 13945133