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203213230 = 25111847393
BaseRepresentation
bin11000001110011…
…00100110101110
3112011101022010221
430013030212232
5404010310410
632055321554
75015166253
oct1407144656
9464338127
10203213230
11a4788120
12580802ba
1333140a1c
141cdbb42a
1512c914da
hexc1cc9ae

203213230 has 16 divisors (see below), whose sum is σ = 399037104. Its totient is φ = 73895680.

The previous prime is 203213209. The next prime is 203213243. The reversal of 203213230 is 32312302.

203213230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923587 + ... + 923806.

It is an arithmetic number, because the mean of its divisors is an integer number (24939819).

Almost surely, 2203213230 is an apocalyptic number.

203213230 is a deficient number, since it is larger than the sum of its proper divisors (195823874).

203213230 is a wasteful number, since it uses less digits than its factorization.

203213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847411.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203213230 is about 14255.2877908515. The cubic root of 203213230 is about 587.9187706909.

Adding to 203213230 its reverse (32312302), we get a palindrome (235525532).

The spelling of 203213230 in words is "two hundred three million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 1847393 3694786 9236965 18473930 20321323 40642646 101606615 203213230