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66230001 = 332452963
BaseRepresentation
bin1111110010100…
…1011011110001
311121121211111000
43330221123301
5113423330001
610323312213
71432642245
oct374513361
9147554430
1066230001
1134426642
121a21b669
131094b866
148b20425
155c33a86
hex3f296f1

66230001 has 8 divisors (see below), whose sum is σ = 98118560. Its totient is φ = 44153316.

The previous prime is 66229987. The next prime is 66230009. The reversal of 66230001 is 10003266.

It is a happy number.

66230001 is a `hidden beast` number, since 662 + 3 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 66230001 - 26 = 66229937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66230009) 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, 1226455 + ... + 1226508.

It is an arithmetic number, because the mean of its divisors is an integer number (12264820).

Almost surely, 266230001 is an apocalyptic number.

It is an amenable number.

66230001 is a deficient number, since it is larger than the sum of its proper divisors (31888559).

66230001 is a wasteful number, since it uses less digits than its factorization.

66230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452972 (or 2452966 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 66230001 is about 8138.1816765172. The cubic root of 66230001 is about 404.5928968183.

Adding to 66230001 its reverse (10003266), we get a palindrome (76233267).

The spelling of 66230001 in words is "sixty-six million, two hundred thirty thousand, one".

Divisors: 1 3 9 27 2452963 7358889 22076667 66230001