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30850203 = 310283401
BaseRepresentation
bin111010110101…
…1110010011011
32011001100112010
41311223302123
530344201303
63021121003
7523136166
oct165536233
964040463
1030850203
111646123a
12a3b9163
136511c77
144150add
152a95c03
hex1d6bc9b

30850203 has 4 divisors (see below), whose sum is σ = 41133608. Its totient is φ = 20566800.

The previous prime is 30850151. The next prime is 30850241. The reversal of 30850203 is 30205803.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30850203 - 29 = 30849691 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 30850203.

It is not an unprimeable number, because it can be changed into a prime (30810203) 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, 5141698 + ... + 5141703.

It is an arithmetic number, because the mean of its divisors is an integer number (10283402).

Almost surely, 230850203 is an apocalyptic number.

30850203 is a deficient number, since it is larger than the sum of its proper divisors (10283405).

30850203 is a wasteful number, since it uses less digits than its factorization.

30850203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283404.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30850203 is about 5554.2959049730. The cubic root of 30850203 is about 313.6312594384.

The spelling of 30850203 in words is "thirty million, eight hundred fifty thousand, two hundred three".

Divisors: 1 3 10283401 30850203