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253045244 = 22109580379
BaseRepresentation
bin11110001010100…
…10100111111100
3122122011000211002
433011102213330
51004234421434
641035345432
76161564144
oct1705224774
9578130732
10253045244
1111a923701
12708b2278
134056a81a
142586d924
151733657e
hexf1529fc

253045244 has 12 divisors (see below), whose sum is σ = 446892600. Its totient is φ = 125361648.

The previous prime is 253045237. The next prime is 253045253. The reversal of 253045244 is 442540352.

253045244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2530452442 = 128063791022039072, which contains 22 as substring.

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, 289754 + ... + 290625.

It is an arithmetic number, because the mean of its divisors is an integer number (37241050).

Almost surely, 2253045244 is an apocalyptic number.

It is an amenable number.

253045244 is a deficient number, since it is larger than the sum of its proper divisors (193847356).

253045244 is a wasteful number, since it uses less digits than its factorization.

253045244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580492 (or 580490 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 253045244 is about 15907.3958899626. The cubic root of 253045244 is about 632.5080536607.

Adding to 253045244 its reverse (442540352), we get a palindrome (695585596).

It can be divided in two parts, 2530 and 45244, that added together give a palindrome (47774).

The spelling of 253045244 in words is "two hundred fifty-three million, forty-five thousand, two hundred forty-four".

Divisors: 1 2 4 109 218 436 580379 1160758 2321516 63261311 126522622 253045244