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1345555001 = 7317606379
BaseRepresentation
bin101000000110011…
…1000101000111001
310110202220021110102
41100030320220321
510223430230001
6341303525145
745226012610
oct12014705071
93422807412
101345555001
1163059242a
123167597b5
131859c80bb
14ca9bc877
157d1dce6b
hex50338a39

1345555001 has 8 divisors (see below), whose sum is σ = 1542630720. Its totient is φ = 1149692688.

The previous prime is 1345554989. The next prime is 1345555033. The reversal of 1345555001 is 1005555431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345555001 - 222 = 1341360697 is a prime.

It is a super-2 number, since 2×13455550012 = 3621036521432220002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345555201) 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 7 ways as a sum of consecutive naturals, for example, 300971 + ... + 305408.

It is an arithmetic number, because the mean of its divisors is an integer number (192828840).

Almost surely, 21345555001 is an apocalyptic number.

It is an amenable number.

1345555001 is a deficient number, since it is larger than the sum of its proper divisors (197075719).

1345555001 is an equidigital number, since it uses as much as digits as its factorization.

1345555001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606703.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1345555001 is about 36681.8074936337. The cubic root of 1345555001 is about 1103.9951146361.

The spelling of 1345555001 in words is "one billion, three hundred forty-five million, five hundred fifty-five thousand, one".

Divisors: 1 7 317 2219 606379 4244653 192222143 1345555001