Search a number
-
+
13530353 = 31436463
BaseRepresentation
bin110011100111…
…010011110001
3221110102011012
4303213103301
511430432403
61202000305
7223002044
oct63472361
927412135
1013530353
117701611
124646095
132a59735
141b22c5b
1512c3ed8
hexce74f1

13530353 has 4 divisors (see below), whose sum is σ = 13966848. Its totient is φ = 13093860.

The previous prime is 13530347. The next prime is 13530359. The reversal of 13530353 is 35303531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13530347) and next prime (13530359).

It is a cyclic number.

It is not a de Polignac number, because 13530353 - 26 = 13530289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13530359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218201 + ... + 218262.

It is an arithmetic number, because the mean of its divisors is an integer number (3491712).

Almost surely, 213530353 is an apocalyptic number.

It is an amenable number.

13530353 is a deficient number, since it is larger than the sum of its proper divisors (436495).

13530353 is an equidigital number, since it uses as much as digits as its factorization.

13530353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436494.

The product of its (nonzero) digits is 2025, while the sum is 23.

The square root of 13530353 is about 3678.3628151666. The cubic root of 13530353 is about 238.2884774936.

Adding to 13530353 its reverse (35303531), we get a palindrome (48833884).

The spelling of 13530353 in words is "thirteen million, five hundred thirty thousand, three hundred fifty-three".

Divisors: 1 31 436463 13530353