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253244001 = 3612296043
BaseRepresentation
bin11110001100000…
…11001001100001
3122122112010110110
433012003021201
51004312302001
641043521533
76163352463
oct1706031141
9578463413
10253244001
1111aa49a6a
12709892a9
134060a12a
14258c2133
15173753d6
hexf183261

253244001 has 16 divisors (see below), whose sum is σ = 344749760. Its totient is φ = 165309120.

The previous prime is 253243999. The next prime is 253244029. The reversal of 253244001 is 100442352.

It is not a de Polignac number, because 253244001 - 21 = 253243999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253244041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38886 + ... + 44928.

It is an arithmetic number, because the mean of its divisors is an integer number (21546860).

Almost surely, 2253244001 is an apocalyptic number.

It is an amenable number.

253244001 is a deficient number, since it is larger than the sum of its proper divisors (91505759).

253244001 is a wasteful number, since it uses less digits than its factorization.

253244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6336.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 253244001 is about 15913.6419778755. The cubic root of 253244001 is about 632.6736136488.

Adding to 253244001 its reverse (100442352), we get a palindrome (353686353).

The spelling of 253244001 in words is "two hundred fifty-three million, two hundred forty-four thousand, one".

Divisors: 1 3 61 183 229 687 6043 13969 18129 41907 368623 1105869 1383847 4151541 84414667 253244001