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212311104 = 2631105787
BaseRepresentation
bin11001010011110…
…01110001000000
3112210111112002020
430221321301000
5413322423404
633022321440
75155420545
oct1451716100
9483445066
10212311104
11a9931525
125b129280
1334ca7a95
14202a8bcc
151398bed9
hexca79c40

212311104 has 28 divisors (see below), whose sum is σ = 561740304. Its totient is φ = 70770304.

The previous prime is 212311103. The next prime is 212311129. The reversal of 212311104 is 401113212.

It is not an unprimeable number, because it can be changed into a prime (212311103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552702 + ... + 553085.

Almost surely, 2212311104 is an apocalyptic number.

212311104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212311104 is an abundant number, since it is smaller than the sum of its proper divisors (349429200).

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

212311104 is a wasteful number, since it uses less digits than its factorization.

212311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105802 (or 1105792 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 212311104 is about 14570.8992172755. The cubic root of 212311104 is about 596.5647245638.

Adding to 212311104 its reverse (401113212), we get a palindrome (613424316).

The spelling of 212311104 in words is "two hundred twelve million, three hundred eleven thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1105787 2211574 3317361 4423148 6634722 8846296 13269444 17692592 26538888 35385184 53077776 70770368 106155552 212311104