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212010204 = 22372523931
BaseRepresentation
bin11001010001100…
…00010011011100
3112202221020022210
430220300103130
5413233311304
633012040420
75153025360
oct1450602334
9482836283
10212010204
11a974644a
125b003110
1334c00b33
142022b2a0
151392cc89
hexca304dc

212010204 has 24 divisors (see below), whose sum is σ = 565360768. Its totient is φ = 60574320.

The previous prime is 212010203. The next prime is 212010217. The reversal of 212010204 is 402010212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010203) 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, 1261882 + ... + 1262049.

Almost surely, 2212010204 is an apocalyptic number.

It is an amenable number.

212010204 is an abundant number, since it is smaller than the sum of its proper divisors (353350564).

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

212010204 is a wasteful number, since it uses less digits than its factorization.

212010204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523945 (or 2523943 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212010204 is about 14560.5701811433. The cubic root of 212010204 is about 596.2827622430.

Adding to 212010204 its reverse (402010212), we get a palindrome (614020416).

The spelling of 212010204 in words is "two hundred twelve million, ten thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2523931 5047862 7571793 10095724 15143586 17667517 30287172 35335034 53002551 70670068 106005102 212010204