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253244024 = 23112877773
BaseRepresentation
bin11110001100000…
…11001001111000
3122122112010111022
433012003021320
51004312302044
641043522012
76163352525
oct1706031170
9578463438
10253244024
1111aa49a90
1270989308
134060a147
14258c214c
15173753ee
hexf183278

253244024 has 16 divisors (see below), whose sum is σ = 517999320. Its totient is φ = 115110880.

The previous prime is 253243999. The next prime is 253244029. The reversal of 253244024 is 420442352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253243984 and 253244002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253244029) 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, 1438799 + ... + 1438974.

Almost surely, 2253244024 is an apocalyptic number.

It is an amenable number.

253244024 is an abundant number, since it is smaller than the sum of its proper divisors (264755296).

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

253244024 is a wasteful number, since it uses less digits than its factorization.

253244024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877790 (or 2877786 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 253244024 is about 15913.6427005259. The cubic root of 253244024 is about 632.6736328023.

Adding to 253244024 its reverse (420442352), we get a palindrome (673686376).

The spelling of 253244024 in words is "two hundred fifty-three million, two hundred forty-four thousand, twenty-four".

Divisors: 1 2 4 8 11 22 44 88 2877773 5755546 11511092 23022184 31655503 63311006 126622012 253244024