Search a number
-
+
16300393 = 71229583
BaseRepresentation
bin111110001011…
…100101101001
31010200010221021
4332023211221
513133103033
61341212441
7255360004
oct76134551
933603837
1016300393
1192237aa
125561121
1334b9505
14224453b
15166eb2d
hexf8b969

16300393 has 4 divisors (see below), whose sum is σ = 16530048. Its totient is φ = 16070740.

The previous prime is 16300373. The next prime is 16300409. The reversal of 16300393 is 39300361.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39300361 = 62692.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16300393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16300373) 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, 114721 + ... + 114862.

It is an arithmetic number, because the mean of its divisors is an integer number (4132512).

Almost surely, 216300393 is an apocalyptic number.

It is an amenable number.

16300393 is a deficient number, since it is larger than the sum of its proper divisors (229655).

16300393 is an equidigital number, since it uses as much as digits as its factorization.

16300393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229654.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 16300393 is about 4037.3745181739. The cubic root of 16300393 is about 253.5514071382.

The spelling of 16300393 in words is "sixteen million, three hundred thousand, three hundred ninety-three".

Divisors: 1 71 229583 16300393