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212202033 = 3438319819
BaseRepresentation
bin11001010010111…
…11001000110001
3112210021222110120
430221133020301
5413310431113
633020120453
75154454551
oct1451371061
9483258416
10212202033
11a986758a
125b096129
1334c6a244
142027b161
1513969a23
hexca5f231

212202033 has 16 divisors (see below), whose sum is σ = 293018880. Its totient is φ = 136506384.

The previous prime is 212202017. The next prime is 212202043. The reversal of 212202033 is 330202212.

212202033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212202033 - 24 = 212202017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212202043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798 + ... + 20616.

It is an arithmetic number, because the mean of its divisors is an integer number (18313680).

Almost surely, 2212202033 is an apocalyptic number.

It is an amenable number.

212202033 is a deficient number, since it is larger than the sum of its proper divisors (80816847).

212202033 is a wasteful number, since it uses less digits than its factorization.

212202033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212202033 is about 14567.1559681360. The cubic root of 212202033 is about 596.4625489427.

Adding to 212202033 its reverse (330202212), we get a palindrome (542404245).

The spelling of 212202033 in words is "two hundred twelve million, two hundred two thousand, thirty-three".

Divisors: 1 3 43 83 129 249 3569 10707 19819 59457 852217 1644977 2556651 4934931 70734011 212202033