Search a number
-
+
13489293 = 323195497
BaseRepresentation
bin110011011101…
…010010001101
3221101022211110
4303131102031
511423124133
61201042233
7222441246
oct63352215
927338743
1013489293
117683784
124626379
132a43b3c
141b11ccd
1512b6c63
hexcdd48d

13489293 has 8 divisors (see below), whose sum is σ = 18767808. Its totient is φ = 8601824.

The previous prime is 13489291. The next prime is 13489319. The reversal of 13489293 is 39298431.

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 13489293 - 21 = 13489291 is a prime.

It is a super-2 number, since 2×134892932 = 363922051279698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97680 + ... + 97817.

It is an arithmetic number, because the mean of its divisors is an integer number (2345976).

Almost surely, 213489293 is an apocalyptic number.

It is an amenable number.

13489293 is a deficient number, since it is larger than the sum of its proper divisors (5278515).

13489293 is a wasteful number, since it uses less digits than its factorization.

13489293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195523.

The product of its digits is 46656, while the sum is 39.

The square root of 13489293 is about 3672.7772870132. Note that the first 3 decimals coincide. The cubic root of 13489293 is about 238.0471918754.

The spelling of 13489293 in words is "thirteen million, four hundred eighty-nine thousand, two hundred ninety-three".

Divisors: 1 3 23 69 195497 586491 4496431 13489293