Search a number
-
+
30550306 = 271215143
BaseRepresentation
bin111010010001…
…0100100100010
32010111010010211
41310202210202
530310102211
63010444334
7520446643
oct164424442
963433124
1030550306
1116276996
12a2936aa
136438607
1440b36ca
152a36e21
hex1d22922

30550306 has 8 divisors (see below), whose sum is σ = 46471104. Its totient is φ = 15059940.

The previous prime is 30550301. The next prime is 30550349. The reversal of 30550306 is 60305503.

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

It is not an unprimeable number, because it can be changed into a prime (30550301) 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, 107430 + ... + 107713.

It is an arithmetic number, because the mean of its divisors is an integer number (5808888).

Almost surely, 230550306 is an apocalyptic number.

30550306 is a deficient number, since it is larger than the sum of its proper divisors (15920798).

30550306 is a wasteful number, since it uses less digits than its factorization.

30550306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215216.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 30550306 is about 5527.2331233629. The cubic root of 30550306 is about 312.6116712364.

Adding to 30550306 its reverse (60305503), we get a palindrome (90855809).

The spelling of 30550306 in words is "thirty million, five hundred fifty thousand, three hundred six".

Divisors: 1 2 71 142 215143 430286 15275153 30550306