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65530001 = 315993529
BaseRepresentation
bin1111100111111…
…0100010010001
311120022021021002
43321332202101
5113233430001
610300311345
71423665365
oct371764221
9146267232
1065530001
1133a98729
1219b42555
1310765064
1489bb2a5
155b4646b
hex3e7e891

65530001 has 8 divisors (see below), whose sum is σ = 67776000. Its totient is φ = 63292320.

The previous prime is 65529991. The next prime is 65530009. The reversal of 65530001 is 10003556.

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 65530001 - 210 = 65528977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65530009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16805 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (8472000).

Almost surely, 265530001 is an apocalyptic number.

It is an amenable number.

65530001 is a deficient number, since it is larger than the sum of its proper divisors (2245999).

65530001 is a wasteful number, since it uses less digits than its factorization.

65530001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 65530001 is about 8095.0602839015. The cubic root of 65530001 is about 403.1624337251.

Adding to 65530001 its reverse (10003556), we get a palindrome (75533557).

The spelling of 65530001 in words is "sixty-five million, five hundred thirty thousand, one".

Divisors: 1 31 599 3529 18569 109399 2113871 65530001