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212552054 = 211131743717
BaseRepresentation
bin11001010101101…
…00100101110110
3112210221202121022
430222310211312
5413403131204
633031421142
75160443201
oct1452644566
9483852538
10212552054
11a9a86560
125b2247b2
1335060660
142032c938
15139d85be
hexcab4976

212552054 has 32 divisors (see below), whose sum is σ = 396609696. Its totient is φ = 83934720.

The previous prime is 212552051. The next prime is 212552059. The reversal of 212552054 is 450255212.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212552051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16997 + ... + 26720.

It is an arithmetic number, because the mean of its divisors is an integer number (12394053).

Almost surely, 2212552054 is an apocalyptic number.

212552054 is a deficient number, since it is larger than the sum of its proper divisors (184057642).

212552054 is a wasteful number, since it uses less digits than its factorization.

212552054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43760.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 212552054 is about 14579.1650652567. The cubic root of 212552054 is about 596.7903179260.

The spelling of 212552054 in words is "two hundred twelve million, five hundred fifty-two thousand, fifty-four".

Divisors: 1 2 11 13 17 22 26 34 143 187 221 286 374 442 2431 4862 43717 87434 480887 568321 743189 961774 1136642 1486378 6251531 8175079 9661457 12503062 16350158 19322914 106276027 212552054