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212533452 = 22328371129
BaseRepresentation
bin11001010101100…
…00000011001100
3112210220211002100
430222300003030
5413402032302
633031155100
75160335025
oct1452600314
9483824070
10212533452
11a9a7358a
125b215a90
1335055051
1420325c4c
15139d2d1c
hexcab00cc

212533452 has 36 divisors (see below), whose sum is σ = 543717720. Its totient is φ = 69989952.

The previous prime is 212533423. The next prime is 212533471. The reversal of 212533452 is 254335212.

It is a happy number.

212533452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32577 + ... + 38552.

It is an arithmetic number, because the mean of its divisors is an integer number (15103270).

Almost surely, 2212533452 is an apocalyptic number.

It is an amenable number.

212533452 is an abundant number, since it is smaller than the sum of its proper divisors (331184268).

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

212533452 is a wasteful number, since it uses less digits than its factorization.

212533452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71222 (or 71217 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 212533452 is about 14578.5270860948. The cubic root of 212533452 is about 596.7729075754.

Adding to 212533452 its reverse (254335212), we get a palindrome (466868664).

The spelling of 212533452 in words is "two hundred twelve million, five hundred thirty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 71129 142258 213387 284516 426774 640161 853548 1280322 2560644 5903707 11807414 17711121 23614828 35422242 53133363 70844484 106266726 212533452