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106824645 = 3259724473
BaseRepresentation
bin1100101111000…
…00001111000101
321110000020212100
412113200033011
5204321342040
614333342313
72434665054
oct627401705
9243006770
10106824645
1155332a34
122b937999
1319192c65
141028a39b
1595a1b30
hex65e03c5

106824645 has 24 divisors (see below), whose sum is σ = 187079256. Its totient is φ = 56383488.

The previous prime is 106824637. The next prime is 106824649. The reversal of 106824645 is 546428601.

106824645 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 2 + 4 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20223009 + 86601636 = 4497^2 + 9306^2 .

It is not a de Polignac number, because 106824645 - 23 = 106824637 is a prime.

It is a super-2 number, since 2×1068246452 = 22823009558752050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106824649) 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 23 ways as a sum of consecutive naturals, for example, 7872 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (7794969).

Almost surely, 2106824645 is an apocalyptic number.

106824645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106824645 is a deficient number, since it is larger than the sum of its proper divisors (80254611).

106824645 is a wasteful number, since it uses less digits than its factorization.

106824645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24581 (or 24578 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 106824645 is about 10335.6008533612. The cubic root of 106824645 is about 474.4864551395.

The spelling of 106824645 in words is "one hundred six million, eight hundred twenty-four thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 45 97 291 485 873 1455 4365 24473 73419 122365 220257 367095 1101285 2373881 7121643 11869405 21364929 35608215 106824645