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438014212 = 22891230377
BaseRepresentation
bin11010000110111…
…001000100000100
31010112012102112121
4122012321010010
51344112423322
6111244055324
713566026236
oct3206710404
91115172477
10438014212
1120527a619
12102834544
136c99130c
144225c256
15286c1ec7
hex1a1b9104

438014212 has 12 divisors (see below), whose sum is σ = 775138140. Its totient is φ = 216546176.

The previous prime is 438014189. The next prime is 438014219. The reversal of 438014212 is 212410834.

It can be written as a sum of positive squares in 2 ways, for example, as 200052736 + 237961476 = 14144^2 + 15426^2 .

It is not an unprimeable number, because it can be changed into a prime (438014219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614833 + ... + 615544.

It is an arithmetic number, because the mean of its divisors is an integer number (64594845).

Almost surely, 2438014212 is an apocalyptic number.

It is an amenable number.

438014212 is a deficient number, since it is larger than the sum of its proper divisors (337123928).

438014212 is a wasteful number, since it uses less digits than its factorization.

438014212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230470 (or 1230468 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 438014212 is about 20928.7890715158. The cubic root of 438014212 is about 759.4445456625. Note that the first 3 decimals are identical.

The spelling of 438014212 in words is "four hundred thirty-eight million, fourteen thousand, two hundred twelve".

Divisors: 1 2 4 89 178 356 1230377 2460754 4921508 109503553 219007106 438014212