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212030532 = 22327841391
BaseRepresentation
bin11001010001101…
…01010001000100
3112202222021012200
430220311101010
5413234434112
633012314500
75153141550
oct1450652104
9482867180
10212030532
11a975a74a
125b012a30
1334c0a16c
1420234860
1513933cdc
hexca35444

212030532 has 36 divisors (see below), whose sum is σ = 612533376. Its totient is φ = 60580080.

The previous prime is 212030531. The next prime is 212030551. The reversal of 212030532 is 235030212.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212030531) by changing a digit.

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, 420444 + ... + 420947.

It is an arithmetic number, because the mean of its divisors is an integer number (17014816).

Almost surely, 2212030532 is an apocalyptic number.

It is an amenable number.

212030532 is an abundant number, since it is smaller than the sum of its proper divisors (400502844).

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

212030532 is a wasteful number, since it uses less digits than its factorization.

212030532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841408 (or 841403 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 212030532 is about 14561.2682139984. The cubic root of 212030532 is about 596.3018192638.

Adding to 212030532 its reverse (235030212), we get a palindrome (447060744).

The spelling of 212030532 in words is "two hundred twelve million, thirty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 841391 1682782 2524173 3365564 5048346 5889737 7572519 10096692 11779474 15145038 17669211 23558948 30290076 35338422 53007633 70676844 106015266 212030532