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106646930 = 2513820361
BaseRepresentation
bin1100101101101…
…00110110010010
321102200020002022
412112310312102
5204300200210
614325451442
72433324665
oct626646622
9242606068
10106646930
1155221465
122b870b82
13191300c0
14102416dc
159569155
hex65b4d92

106646930 has 16 divisors (see below), whose sum is σ = 206731224. Its totient is φ = 39377280.

The previous prime is 106646909. The next prime is 106646959. The reversal of 106646930 is 39646601.

It is a Cunningham number, because it is equal to 103272+1.

It can be written as a sum of positive squares in 4 ways, for example, as 38402809 + 68244121 = 6197^2 + 8261^2 .

It is a super-2 number, since 2×1066469302 = 22747135356849800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410051 + ... + 410310.

Almost surely, 2106646930 is an apocalyptic number.

106646930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106646930 is a deficient number, since it is larger than the sum of its proper divisors (100084294).

106646930 is a wasteful number, since it uses less digits than its factorization.

106646930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820381.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 106646930 is about 10327.0000484168. Note that the first 4 decimals coincide. The cubic root of 106646930 is about 474.2231882871.

The spelling of 106646930 in words is "one hundred six million, six hundred forty-six thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 820361 1640722 4101805 8203610 10664693 21329386 53323465 106646930