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1253230355 = 513103187189
BaseRepresentation
bin100101010110010…
…1100011100010011
310020100011200212002
41022230230130103
510031311332410
6324205024215
743025165546
oct11254543423
93210150762
101253230355
11593463573
122ab85506b
1316c841030
14bc62885d
15750527a5
hex4ab2c713

1253230355 has 16 divisors (see below), whose sum is σ = 1635291840. Its totient is φ = 916472448.

The previous prime is 1253230351. The next prime is 1253230357. The reversal of 1253230355 is 5530323521.

It is a cyclic number.

It is not a de Polignac number, because 1253230355 - 22 = 1253230351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253230351) 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, 86900 + ... + 100289.

It is an arithmetic number, because the mean of its divisors is an integer number (102205740).

Almost surely, 21253230355 is an apocalyptic number.

1253230355 is a deficient number, since it is larger than the sum of its proper divisors (382061485).

1253230355 is a wasteful number, since it uses less digits than its factorization.

1253230355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187310.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 1253230355 is about 35400.9937007424. The cubic root of 1253230355 is about 1078.1444919867.

Adding to 1253230355 its reverse (5530323521), we get a palindrome (6783553876).

The spelling of 1253230355 in words is "one billion, two hundred fifty-three million, two hundred thirty thousand, three hundred fifty-five".

Divisors: 1 5 13 65 103 515 1339 6695 187189 935945 2433457 12167285 19280467 96402335 250646071 1253230355