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1253050445 = 5252199409
BaseRepresentation
bin100101010110000…
…0000100001001101
310020022211120001202
41022230000201031
510031240103240
6324201115245
743023516203
oct11254004115
93208746052
101253050445
11593350389
122ab788b25
1316c7aa18a
14bc5bd073
1575019315
hex4ab0084d

1253050445 has 8 divisors (see below), whose sum is σ = 1504272120. Its totient is φ = 1002032640.

The previous prime is 1253050427. The next prime is 1253050457. The reversal of 1253050445 is 5440503521.

It can be written as a sum of positive squares in 4 ways, for example, as 669124 + 1252381321 = 818^2 + 35389^2 .

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

It is not a de Polignac number, because 1253050445 - 212 = 1253046349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37100 + ... + 62309.

It is an arithmetic number, because the mean of its divisors is an integer number (188034015).

Almost surely, 21253050445 is an apocalyptic number.

It is an amenable number.

1253050445 is a deficient number, since it is larger than the sum of its proper divisors (251221675).

1253050445 is an equidigital number, since it uses as much as digits as its factorization.

1253050445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101935.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1253050445 is about 35398.4525791736. The cubic root of 1253050445 is about 1078.0928977853.

Adding to 1253050445 its reverse (5440503521), we get a palindrome (6693553966).

The spelling of 1253050445 in words is "one billion, two hundred fifty-three million, fifty thousand, four hundred forty-five".

Divisors: 1 5 2521 12605 99409 497045 250610089 1253050445