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254212 = 22721297
BaseRepresentation
bin111110000100000100
3110220201021
4332010010
531113322
65240524
72106100
oct760404
9426637
10254212
11163aa2
12103144
138b92a
1468900
15504c7
hex3e104

254212 has 18 divisors (see below), whose sum is σ = 517902. Its totient is φ = 108864.

The previous prime is 254209. The next prime is 254213. The reversal of 254212 is 212452.

254212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 254016 + 196 = 504^2 + 14^2 .

It is not an unprimeable number, because it can be changed into a prime (254213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453 + ... + 844.

2254212 is an apocalyptic number.

It is an amenable number.

254212 is an abundant number, since it is smaller than the sum of its proper divisors (263690).

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

254212 is a wasteful number, since it uses less digits than its factorization.

254212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1306 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 254212 is about 504.1944069503. The cubic root of 254212 is about 63.3478698550.

Adding to 254212 its reverse (212452), we get a palindrome (466664).

The spelling of 254212 in words is "two hundred fifty-four thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1297 2594 5188 9079 18158 36316 63553 127106 254212