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212416572 = 223411932237
BaseRepresentation
bin11001010100100…
…11100000111100
3112210200212202110
430222103200330
5413334312242
633024454020
75156340204
oct1452234074
9483625673
10212416572
11a99a3795
125b17a310
1335013aa4
14202d5404
15139ad39c
hexca9383c

212416572 has 48 divisors (see below), whose sum is σ = 510586272. Its totient is φ = 68689920.

The previous prime is 212416571. The next prime is 212416577. The reversal of 212416572 is 275614212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212416571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93838 + ... + 96074.

It is an arithmetic number, because the mean of its divisors is an integer number (10637214).

Almost surely, 2212416572 is an apocalyptic number.

It is an amenable number.

212416572 is an abundant number, since it is smaller than the sum of its proper divisors (298169700).

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

212416572 is a wasteful number, since it uses less digits than its factorization.

212416572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2476 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 212416572 is about 14574.5178994024. The cubic root of 212416572 is about 596.6634916899.

The spelling of 212416572 in words is "two hundred twelve million, four hundred sixteen thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 193 246 386 492 579 772 1158 2237 2316 4474 6711 7913 8948 13422 15826 23739 26844 31652 47478 91717 94956 183434 275151 366868 431741 550302 863482 1100604 1295223 1726964 2590446 5180892 17701381 35402762 53104143 70805524 106208286 212416572