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66230906 = 274730779
BaseRepresentation
bin1111110010100…
…1101001111010
311121121212201112
43330221221322
5113423342111
610323320322
71432645010
oct374515172
9147555645
1066230906
1134427295
121a2200a2
131094c0b1
148b208b0
155c33e8b
hex3f29a7a

66230906 has 8 divisors (see below), whose sum is σ = 113538720. Its totient is φ = 28384668.

The previous prime is 66230893. The next prime is 66230917. The reversal of 66230906 is 60903266.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365376 + ... + 2365403.

It is an arithmetic number, because the mean of its divisors is an integer number (14192340).

Almost surely, 266230906 is an apocalyptic number.

66230906 is a deficient number, since it is larger than the sum of its proper divisors (47307814).

66230906 is a wasteful number, since it uses less digits than its factorization.

66230906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730788.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 66230906 is about 8138.2372784283. The cubic root of 66230906 is about 404.5947396634.

The spelling of 66230906 in words is "sixty-six million, two hundred thirty thousand, nine hundred six".

Divisors: 1 2 7 14 4730779 9461558 33115453 66230906