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212552124 = 22337487983
BaseRepresentation
bin11001010101101…
…00100110111100
3112210221202200220
430222310212330
5413403131444
633031421340
75160443331
oct1452644674
9483852626
10212552124
11a9a86614
125b224850
13350606b5
142032c988
15139d8619
hexcab49bc

212552124 has 48 divisors (see below), whose sum is σ = 510924288. Its totient is φ = 68724288.

The previous prime is 212552111. The next prime is 212552143. The reversal of 212552124 is 421255212.

It is a super-2 number, since 2×2125521242 = 90356810833822752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212552094 and 212552103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215737 + ... + 216719.

It is an arithmetic number, because the mean of its divisors is an integer number (10644256).

Almost surely, 2212552124 is an apocalyptic number.

It is an amenable number.

212552124 is an abundant number, since it is smaller than the sum of its proper divisors (298372164).

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

212552124 is a wasteful number, since it uses less digits than its factorization.

212552124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 212552124 is about 14579.1674659426. The cubic root of 212552124 is about 596.7903834399.

The spelling of 212552124 in words is "two hundred twelve million, five hundred fifty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 487 974 983 1461 1948 1966 2922 2949 3932 5844 5898 11796 18019 36038 36371 54057 72076 72742 108114 109113 145484 216228 218226 436452 478721 957442 1436163 1914884 2872326 5744652 17712677 35425354 53138031 70850708 106276062 212552124