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253005304 = 23131923977
BaseRepresentation
bin11110001010010…
…00110111111000
3122122002000000211
433011020313320
51004232132204
641034440504
76161336536
oct1705106770
9578060024
10253005304
1111a8a66a2
1270893134
13405555a6
142585d156
1517329804
hexf148df8

253005304 has 16 divisors (see below), whose sum is σ = 474764400. Its totient is φ = 126401472.

The previous prime is 253005293. The next prime is 253005317. The reversal of 253005304 is 403500352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437 + ... + 22540.

It is an arithmetic number, because the mean of its divisors is an integer number (29672775).

Almost surely, 2253005304 is an apocalyptic number.

It is an amenable number.

253005304 is a deficient number, since it is larger than the sum of its proper divisors (221759096).

253005304 is a wasteful number, since it uses less digits than its factorization.

253005304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302 (or 25298 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 253005304 is about 15906.1404495245. The cubic root of 253005304 is about 632.4747741037.

Adding to 253005304 its reverse (403500352), we get a palindrome (656505656).

The spelling of 253005304 in words is "two hundred fifty-three million, five thousand, three hundred four".

Divisors: 1 2 4 8 1319 2638 5276 10552 23977 47954 95908 191816 31625663 63251326 126502652 253005304