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106635091 = 251424841
BaseRepresentation
bin1100101101100…
…01111101010011
321102122121211211
412112301331103
5204244310331
614325320551
72433245323
oct626617523
9242577754
10106635091
1155213582
122b866157
13191278b4
141023b283
1595658b1
hex65b1f53

106635091 has 4 divisors (see below), whose sum is σ = 107060184. Its totient is φ = 106210000.

The previous prime is 106635079. The next prime is 106635119. The reversal of 106635091 is 190536601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106635091 is a prime.

It is a super-2 number, since 2×1066350912 = 22742085265156562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106635791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212170 + ... + 212671.

It is an arithmetic number, because the mean of its divisors is an integer number (26765046).

Almost surely, 2106635091 is an apocalyptic number.

106635091 is a deficient number, since it is larger than the sum of its proper divisors (425093).

106635091 is an equidigital number, since it uses as much as digits as its factorization.

106635091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425092.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 106635091 is about 10326.4268263519. The cubic root of 106635091 is about 474.2056396148.

The spelling of 106635091 in words is "one hundred six million, six hundred thirty-five thousand, ninety-one".

Divisors: 1 251 424841 106635091