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203031230 = 2520303123
BaseRepresentation
bin11000001101000…
…00001010111110
3112011001001111012
430012200022332
5403433444410
632051355222
75013510533
oct1406401276
9464031435
10203031230
11a4673406
1257bb2b12
13330a8c2c
141cd70d8a
1512c57605
hexc1a02be

203031230 has 8 divisors (see below), whose sum is σ = 365456232. Its totient is φ = 81212488.

The previous prime is 203031223. The next prime is 203031259. The reversal of 203031230 is 32130302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151552 + ... + 10151571.

It is an arithmetic number, because the mean of its divisors is an integer number (45682029).

Almost surely, 2203031230 is an apocalyptic number.

203031230 is a deficient number, since it is larger than the sum of its proper divisors (162425002).

203031230 is a wasteful number, since it uses less digits than its factorization.

203031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20303130.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 203031230 is about 14248.9027647746. The cubic root of 203031230 is about 587.7432027649.

Adding to 203031230 its reverse (32130302), we get a palindrome (235161532).

The spelling of 203031230 in words is "two hundred three million, thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 20303123 40606246 101515615 203031230