Search a number
-
+
30255303 = 313775777
BaseRepresentation
bin111001101101…
…0100011000111
32002221010110210
41303122203013
530221132203
63000250503
7515110611
oct163324307
962833423
1030255303
1116095291
12a170a33
136364260
144037db1
1529c9803
hex1cda8c7

30255303 has 8 divisors (see below), whose sum is σ = 43443568. Its totient is φ = 18618624.

The previous prime is 30255299. The next prime is 30255311. The reversal of 30255303 is 30355203.

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

It is not a de Polignac number, because 30255303 - 22 = 30255299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30255303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387850 + ... + 387927.

It is an arithmetic number, because the mean of its divisors is an integer number (5430446).

Almost surely, 230255303 is an apocalyptic number.

30255303 is a deficient number, since it is larger than the sum of its proper divisors (13188265).

30255303 is a wasteful number, since it uses less digits than its factorization.

30255303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775793.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 30255303 is about 5500.4820697826. The cubic root of 30255303 is about 311.6021906463.

The spelling of 30255303 in words is "thirty million, two hundred fifty-five thousand, three hundred three".

Divisors: 1 3 13 39 775777 2327331 10085101 30255303