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253003054 = 2557322699
BaseRepresentation
bin11110001010010…
…00010100101110
3122122001212221111
433011020110232
51004232044204
641034422234
76161330143
oct1705102456
9578055844
10253003054
1111a8a4a37
127089197a
1340554565
142585c3ca
1517328d04
hexf14852e

253003054 has 8 divisors (see below), whose sum is σ = 379589400. Its totient is φ = 126473256.

The previous prime is 253003039. The next prime is 253003057. The reversal of 253003054 is 450300352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253003057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204 + ... + 22495.

It is an arithmetic number, because the mean of its divisors is an integer number (47448675).

Almost surely, 2253003054 is an apocalyptic number.

253003054 is a deficient number, since it is larger than the sum of its proper divisors (126586346).

253003054 is a wasteful number, since it uses less digits than its factorization.

253003054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28274.

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

The square root of 253003054 is about 15906.0697219646. The cubic root of 253003054 is about 632.4728992122.

The spelling of 253003054 in words is "two hundred fifty-three million, three thousand, fifty-four".

Divisors: 1 2 5573 11146 22699 45398 126501527 253003054