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210112404 = 22385720431
BaseRepresentation
bin11001000011000…
…00111110010100
3112122100211000220
430201200332110
5412242044104
632503234340
75130632415
oct1441407624
9478324026
10210112404
11a866a617
125a4489b0
13346b8088
141dc9580c
15136a57d9
hexc860f94

210112404 has 24 divisors (see below), whose sum is σ = 490858368. Its totient is φ = 69952320.

The previous prime is 210112391. The next prime is 210112439. The reversal of 210112404 is 404211012.

210112404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (20452432).

Almost surely, 2210112404 is an apocalyptic number.

It is an amenable number.

210112404 is an abundant number, since it is smaller than the sum of its proper divisors (280745964).

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

210112404 is a wasteful number, since it uses less digits than its factorization.

210112404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 210112404 is about 14495.2545338121. The cubic root of 210112404 is about 594.4982272498.

Adding to 210112404 its reverse (404211012), we get a palindrome (614323416).

The spelling of 210112404 in words is "two hundred ten million, one hundred twelve thousand, four hundred four".

Divisors: 1 2 3 4 6 12 857 1714 2571 3428 5142 10284 20431 40862 61293 81724 122586 245172 17509367 35018734 52528101 70037468 105056202 210112404