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212255052 = 22343411347
BaseRepresentation
bin11001010011011…
…00000101001100
3112210101200012020
430221230011030
5413314130202
633021210140
75155065252
oct1451540514
9483350166
10212255052
11a98a33a9
125b100950
1334c88409
14202925d2
151397a5bc
hexca6c14c

212255052 has 24 divisors (see below), whose sum is σ = 506780736. Its totient is φ = 69106128.

The previous prime is 212255027. The next prime is 212255077. The reversal of 212255052 is 250552212.

It is an interprime number because it is at equal distance from previous prime (212255027) and next prime (212255077).

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, 205158 + ... + 206189.

It is an arithmetic number, because the mean of its divisors is an integer number (21115864).

Almost surely, 2212255052 is an apocalyptic number.

It is an amenable number.

212255052 is an abundant number, since it is smaller than the sum of its proper divisors (294525684).

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

212255052 is a wasteful number, since it uses less digits than its factorization.

212255052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411397 (or 411395 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 212255052 is about 14568.9756674929. The cubic root of 212255052 is about 596.5122204971.

The spelling of 212255052 in words is "two hundred twelve million, two hundred fifty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 411347 822694 1234041 1645388 2468082 4936164 17687921 35375842 53063763 70751684 106127526 212255052