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212050254 = 231373167223
BaseRepresentation
bin11001010001110…
…10000101001110
3112210000021021010
430220322011032
5413241102004
633012550050
75153253213
oct1450720516
9483007233
10212050254
11a9773549
125b022326
1334c16130
142023bb0a
1513939a89
hexca3a14e

212050254 has 64 divisors (see below), whose sum is σ = 467841024. Its totient is φ = 63680256.

The previous prime is 212050247. The next prime is 212050259. The reversal of 212050254 is 452050212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212050254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212050259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950787 + ... + 951009.

It is an arithmetic number, because the mean of its divisors is an integer number (7310016).

Almost surely, 2212050254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212050254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233920512).

212050254 is an abundant number, since it is smaller than the sum of its proper divisors (255790770).

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

212050254 is a wasteful number, since it uses less digits than its factorization.

212050254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 212050254 is about 14561.9454057485. The cubic root of 212050254 is about 596.3203070099.

The spelling of 212050254 in words is "two hundred twelve million, fifty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 73 78 146 167 219 223 334 438 446 501 669 949 1002 1338 1898 2171 2847 2899 4342 5694 5798 6513 8697 12191 13026 16279 17394 24382 32558 36573 37241 48837 73146 74482 97674 111723 158483 211627 223446 316966 423254 475449 484133 634881 950898 968266 1269762 1452399 2718593 2904798 5437186 8155779 16311558 35341709 70683418 106025127 212050254