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212060407 = 13101316103
BaseRepresentation
bin11001010001111…
…00100011110111
3112210000210012011
430220330203313
5413241413112
633013105051
75153324626
oct1450744367
9483023164
10212060407
11a9780139
125b028187
1334c1a940
14202416bd
151393caa7
hexca3c8f7

212060407 has 8 divisors (see below), whose sum is σ = 228612384. Its totient is φ = 195542688.

The previous prime is 212060399. The next prime is 212060423. The reversal of 212060407 is 704060212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212060407 - 23 = 212060399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212060447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (28576548).

Almost surely, 2212060407 is an apocalyptic number.

212060407 is a deficient number, since it is larger than the sum of its proper divisors (16551977).

212060407 is a wasteful number, since it uses less digits than its factorization.

212060407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17129.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 212060407 is about 14562.2940157106. The cubic root of 212060407 is about 596.3298241618.

The spelling of 212060407 in words is "two hundred twelve million, sixty thousand, four hundred seven".

Divisors: 1 13 1013 13169 16103 209339 16312339 212060407