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106728207 = 3294129921
BaseRepresentation
bin1100101110010…
…00101100001111
321102211100120120
412113020230033
5204310300312
614331320023
72434113645
oct627105417
9242740516
10106728207
1155277533
122b8b0013
131915b0b1
1410263195
15958328c
hex65c8b0f

106728207 has 16 divisors (see below), whose sum is σ = 150806880. Its totient is φ = 67020800.

The previous prime is 106728199. The next prime is 106728217. The reversal of 106728207 is 702827601.

It is a cyclic number.

It is not a de Polignac number, because 106728207 - 23 = 106728199 is a prime.

It is a super-2 number, since 2×1067282072 = 22781820338869698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106728217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11394 + ... + 18527.

It is an arithmetic number, because the mean of its divisors is an integer number (9425430).

Almost surely, 2106728207 is an apocalyptic number.

106728207 is a deficient number, since it is larger than the sum of its proper divisors (44078673).

106728207 is a wasteful number, since it uses less digits than its factorization.

106728207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29994.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 106728207 is about 10330.9344688658. The cubic root of 106728207 is about 474.3436282308.

The spelling of 106728207 in words is "one hundred six million, seven hundred twenty-eight thousand, two hundred seven".

Divisors: 1 3 29 41 87 123 1189 3567 29921 89763 867709 1226761 2603127 3680283 35576069 106728207