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1051253345 = 5269781601
BaseRepresentation
bin111110101010001…
…101101001100001
32201021010012111002
4332222031221201
54123110101340
6252152001345
735023335362
oct7652155141
92637105432
101051253345
1149a45021a
12254090255
13139a43bcc
149d88db69
1562457715
hex3ea8da61

1051253345 has 8 divisors (see below), whose sum is σ = 1266195240. Its totient is φ = 837875200.

The previous prime is 1051253323. The next prime is 1051253353. The reversal of 1051253345 is 5433521501.

It can be written as a sum of positive squares in 4 ways, for example, as 14348944 + 1036904401 = 3788^2 + 32201^2 .

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

It is not a de Polignac number, because 1051253345 - 214 = 1051236961 is a prime.

It is a super-2 number, since 2×10512533452 = 2210267190747378050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389456 + ... + 392145.

It is an arithmetic number, because the mean of its divisors is an integer number (158274405).

Almost surely, 21051253345 is an apocalyptic number.

It is an amenable number.

1051253345 is a deficient number, since it is larger than the sum of its proper divisors (214941895).

1051253345 is an equidigital number, since it uses as much as digits as its factorization.

1051253345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781875.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1051253345 is about 32423.0372574810. The cubic root of 1051253345 is about 1016.8006072151.

Adding to 1051253345 its reverse (5433521501), we get a palindrome (6484774846).

The spelling of 1051253345 in words is "one billion, fifty-one million, two hundred fifty-three thousand, three hundred forty-five".

Divisors: 1 5 269 1345 781601 3908005 210250669 1051253345