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253214226 = 23214067457
BaseRepresentation
bin11110001011110…
…11111000010010
3122122110121121200
433011323320102
51004310323401
641043132030
76163166616
oct1705737022
9578417550
10253214226
1111aa29661
1270974016
13405c9705
14258b5346
151736b686
hexf17be12

253214226 has 12 divisors (see below), whose sum is σ = 548630862. Its totient is φ = 84404736.

The previous prime is 253214191. The next prime is 253214243. The reversal of 253214226 is 622412352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 162945225 + 90269001 = 12765^2 + 9501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253214226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7033711 + ... + 7033746.

Almost surely, 2253214226 is an apocalyptic number.

253214226 is an abundant number, since it is smaller than the sum of its proper divisors (295416636).

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

253214226 is a wasteful number, since it uses less digits than its factorization.

253214226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067465 (or 14067462 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 253214226 is about 15912.7064322823. The cubic root of 253214226 is about 632.6488172797.

Adding to 253214226 its reverse (622412352), we get a palindrome (875626578).

The spelling of 253214226 in words is "two hundred fifty-three million, two hundred fourteen thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 14067457 28134914 42202371 84404742 126607113 253214226