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253031204 = 22149424549
BaseRepresentation
bin11110001010011…
…11001100100100
3122122010022120002
433011033030210
51004233444304
641035200432
76161505206
oct1705171444
9578108502
10253031204
1111a9140a8
12708a6118
134056430a
1425868776
151733231e
hexf14f324

253031204 has 12 divisors (see below), whose sum is σ = 445777500. Its totient is φ = 125666208.

The previous prime is 253031201. The next prime is 253031209. The reversal of 253031204 is 402130352.

It is a happy number.

253031204 is digitally balanced in base 2, 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 2 ways, for example, as 65286400 + 187744804 = 8080^2 + 13702^2 .

It is not an unprimeable number, because it can be changed into a prime (253031201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211679 + ... + 212870.

It is an arithmetic number, because the mean of its divisors is an integer number (37148125).

Almost surely, 2253031204 is an apocalyptic number.

It is an amenable number.

253031204 is a deficient number, since it is larger than the sum of its proper divisors (192746296).

253031204 is a wasteful number, since it uses less digits than its factorization.

253031204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424702 (or 424700 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 253031204 is about 15906.9545796799. The cubic root of 253031204 is about 632.4963553874.

Adding to 253031204 its reverse (402130352), we get a palindrome (655161556).

The spelling of 253031204 in words is "two hundred fifty-three million, thirty-one thousand, two hundred four".

Divisors: 1 2 4 149 298 596 424549 849098 1698196 63257801 126515602 253031204