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106684705 = 543349277
BaseRepresentation
bin1100101101111…
…10000100100001
321102202010220101
412112332010201
5204302402310
614330342401
72433543061
oct626760441
9242663811
10106684705
1155247886
122b88aa01
131914435a
14102513a1
15957543a
hex65be121

106684705 has 8 divisors (see below), whose sum is σ = 128319912. Its totient is φ = 85148928.

The previous prime is 106684687. The next prime is 106684709. The reversal of 106684705 is 507486601.

It can be written as a sum of positive squares in 4 ways, for example, as 5239521 + 101445184 = 2289^2 + 10072^2 .

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 106684705 - 225 = 73130273 is a prime.

It is a super-2 number, since 2×1066847052 = 22763252561874050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106684709) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22474 + ... + 26803.

It is an arithmetic number, because the mean of its divisors is an integer number (16039989).

Almost surely, 2106684705 is an apocalyptic number.

It is an amenable number.

106684705 is a deficient number, since it is larger than the sum of its proper divisors (21635207).

106684705 is an equidigital number, since it uses as much as digits as its factorization.

106684705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49715.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 106684705 is about 10328.8288300271. The cubic root of 106684705 is about 474.2791726031.

The spelling of 106684705 in words is "one hundred six million, six hundred eighty-four thousand, seven hundred five".

Divisors: 1 5 433 2165 49277 246385 21336941 106684705