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30530203 = 1110725939
BaseRepresentation
bin111010001110…
…1101010011011
32010110002120021
41310131222123
530303431303
63010211311
7520334224
oct164355233
963402507
1030530203
1116262880
12a283b37
13642c412
1440aa24b
152a30ebd
hex1d1da9b

30530203 has 8 divisors (see below), whose sum is σ = 33618240. Its totient is φ = 27494280.

The previous prime is 30530197. The next prime is 30530209. The reversal of 30530203 is 30203503.

It is an interprime number because it is at equal distance from previous prime (30530197) and next prime (30530209).

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

It is not a de Polignac number, because 30530203 - 29 = 30529691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30530209) 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, 11793 + ... + 14146.

It is an arithmetic number, because the mean of its divisors is an integer number (4202280).

Almost surely, 230530203 is an apocalyptic number.

30530203 is a deficient number, since it is larger than the sum of its proper divisors (3088037).

30530203 is a wasteful number, since it uses less digits than its factorization.

30530203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26057.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 30530203 is about 5525.4142831104. The cubic root of 30530203 is about 312.5430869656.

Adding to 30530203 its reverse (30203503), we get a palindrome (60733706).

The spelling of 30530203 in words is "thirty million, five hundred thirty thousand, two hundred three".

Divisors: 1 11 107 1177 25939 285329 2775473 30530203