Search a number
-
+
30100067 = 89338203
BaseRepresentation
bin111001011010…
…0101001100011
32002122020112022
41302310221203
530201200232
62553052055
7513563204
oct162645143
962566468
1030100067
1115a99698
12a0b702b
13630b6ba
143dd75ab
152998812
hex1cb4a63

30100067 has 4 divisors (see below), whose sum is σ = 30438360. Its totient is φ = 29761776.

The previous prime is 30100051. The next prime is 30100079. The reversal of 30100067 is 76000103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76000103 = 281270463.

It is a cyclic number.

It is not a de Polignac number, because 30100067 - 24 = 30100051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30100667) 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 3 ways as a sum of consecutive naturals, for example, 169013 + ... + 169190.

It is an arithmetic number, because the mean of its divisors is an integer number (7609590).

Almost surely, 230100067 is an apocalyptic number.

30100067 is a deficient number, since it is larger than the sum of its proper divisors (338293).

30100067 is an equidigital number, since it uses as much as digits as its factorization.

30100067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338292.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 30100067 is about 5486.3527958016. The cubic root of 30100067 is about 311.0683465549.

The spelling of 30100067 in words is "thirty million, one hundred thousand, sixty-seven".

Divisors: 1 89 338203 30100067