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212054229 = 32312293319
BaseRepresentation
bin11001010001110…
…11000011010101
3112210000110201100
430220323003111
5413241213404
633013020313
75153300622
oct1450730325
9483013640
10212054229
11a9776532
125b024699
1334c17b9a
142023d349
151393ad39
hexca3b0d5

212054229 has 24 divisors (see below), whose sum is σ = 317657600. Its totient is φ = 136170720.

The previous prime is 212054221. The next prime is 212054251. The reversal of 212054229 is 922450212.

It is a happy number.

212054229 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 212054229 - 23 = 212054221 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212054221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62232 + ... + 65550.

Almost surely, 2212054229 is an apocalyptic number.

It is an amenable number.

212054229 is a deficient number, since it is larger than the sum of its proper divisors (105603371).

212054229 is a wasteful number, since it uses less digits than its factorization.

212054229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 212054229 is about 14562.0818909935. The cubic root of 212054229 is about 596.3240331052.

The spelling of 212054229 in words is "two hundred twelve million, fifty-four thousand, two hundred twenty-nine".

Divisors: 1 3 9 31 93 229 279 687 2061 3319 7099 9957 21297 29871 63891 102889 308667 760051 926001 2280153 6840459 23561581 70684743 212054229