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212233044 = 22317686087
BaseRepresentation
bin11001010011001…
…10101101010100
3112210100120000010
430221212231110
5413312424134
633020520220
75154644142
oct1451465524
9483316003
10212233044
11a9888911
125b0b0070
1334c7b3aa
1420288592
1513973ce9
hexca66b54

212233044 has 12 divisors (see below), whose sum is σ = 495210464. Its totient is φ = 70744344.

The previous prime is 212233039. The next prime is 212233061. The reversal of 212233044 is 440332212.

212233044 is digitally balanced in base 2, 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 (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212233044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8843032 + ... + 8843055.

Almost surely, 2212233044 is an apocalyptic number.

It is an amenable number.

212233044 is an abundant number, since it is smaller than the sum of its proper divisors (282977420).

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

212233044 is a wasteful number, since it uses less digits than its factorization.

212233044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17686094 (or 17686092 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212233044 is about 14568.2203442974. The cubic root of 212233044 is about 596.4916030143.

Adding to 212233044 its reverse (440332212), we get a palindrome (652565256).

The spelling of 212233044 in words is "two hundred twelve million, two hundred thirty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 17686087 35372174 53058261 70744348 106116522 212233044