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105666466 = 2197268189
BaseRepresentation
bin1100100110001…
…01011110100010
321100211102010211
412103011132202
5204022311331
614252444334
72422102333
oct623053642
9240742124
10105666466
1154711864
122b4796aa
1318b78a49
141006828a
1594238b1
hex64c57a2

105666466 has 8 divisors (see below), whose sum is σ = 159304860. Its totient is φ = 52564848.

The previous prime is 105666433. The next prime is 105666493. The reversal of 105666466 is 664666501.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 39325441 = 8145^2 + 6271^2 .

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

It is a super-2 number, since 2×1056664662 = 22330804073858312, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 133701 + ... + 134488.

Almost surely, 2105666466 is an apocalyptic number.

105666466 is a deficient number, since it is larger than the sum of its proper divisors (53638394).

105666466 is a wasteful number, since it uses less digits than its factorization.

105666466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268388.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 105666466 is about 10279.4195361411. The cubic root of 105666466 is about 472.7654468074.

The spelling of 105666466 in words is "one hundred five million, six hundred sixty-six thousand, four hundred sixty-six".

Divisors: 1 2 197 394 268189 536378 52833233 105666466