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203020212 = 22318619091
BaseRepresentation
bin11000001100111…
…01011110110100
3112011000111101010
430012131132310
5403433121322
632051232220
75013433443
oct1406353664
9464014333
10203020212
11a46660aa
1257ba8670
13330a3c05
141cd6ad5a
1512c5420c
hexc19d7b4

203020212 has 24 divisors (see below), whose sum is σ = 474020512. Its totient is φ = 67629600.

The previous prime is 203020211. The next prime is 203020217. The reversal of 203020212 is 212020302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020211) 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, 17787 + ... + 26877.

Almost surely, 2203020212 is an apocalyptic number.

It is an amenable number.

203020212 is an abundant number, since it is smaller than the sum of its proper divisors (271000300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203020212 is a wasteful number, since it uses less digits than its factorization.

203020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959 (or 10957 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 203020212 is about 14248.5161332681. The cubic root of 203020212 is about 587.7325707852.

Adding to 203020212 its reverse (212020302), we get a palindrome (415040514).

The spelling of 203020212 in words is "two hundred three million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1861 3722 5583 7444 9091 11166 18182 22332 27273 36364 54546 109092 16918351 33836702 50755053 67673404 101510106 203020212