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212424204 = 22361521557
BaseRepresentation
bin11001010100101…
…01011000001100
3112210201021020010
430222111120030
5413340033304
633024553220
75156401356
oct1452253014
9483637203
10212424204
11a99a94a3
125b182810
13350173c5
14202d80d6
15139b0789
hexca9560c

212424204 has 48 divisors (see below), whose sum is σ = 505655136. Its totient is φ = 69388800.

The previous prime is 212424203. The next prime is 212424227. The reversal of 212424204 is 402424212.

It is not an unprimeable number, because it can be changed into a prime (212424203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381094 + ... + 381650.

It is an arithmetic number, because the mean of its divisors is an integer number (10534482).

Almost surely, 2212424204 is an apocalyptic number.

It is an amenable number.

212424204 is an abundant number, since it is smaller than the sum of its proper divisors (293230932).

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

212424204 is a wasteful number, since it uses less digits than its factorization.

212424204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 212424204 is about 14574.7797238929. The cubic root of 212424204 is about 596.6706375248.

Adding to 212424204 its reverse (402424212), we get a palindrome (614848416).

The spelling of 212424204 in words is "two hundred twelve million, four hundred twenty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 521 557 732 1042 1114 1563 1671 2084 2228 3126 3342 6252 6684 31781 33977 63562 67954 95343 101931 127124 135908 190686 203862 290197 381372 407724 580394 870591 1160788 1741182 3482364 17702017 35404034 53106051 70808068 106212102 212424204