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106438838 = 2118954361
BaseRepresentation
bin1100101100000…
…10000010110110
321102021122122012
412112002002312
5204222020323
614321204222
72431500212
oct626020266
9242248565
10106438838
115509a090
122b790672
131908947c
14101c9942
159527678
hex65820b6

106438838 has 16 divisors (see below), whose sum is σ = 176132880. Its totient is φ = 47836800.

The previous prime is 106438831. The next prime is 106438867. The reversal of 106438838 is 838834601.

It is a happy number.

It is a super-2 number, since 2×1064388382 = 22658452469580488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106438795 and 106438804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106438831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25223 + ... + 29138.

It is an arithmetic number, because the mean of its divisors is an integer number (11008305).

Almost surely, 2106438838 is an apocalyptic number.

106438838 is a deficient number, since it is larger than the sum of its proper divisors (69694042).

106438838 is a wasteful number, since it uses less digits than its factorization.

106438838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54463.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 106438838 is about 10316.9199861199. The cubic root of 106438838 is about 473.9145489762.

The spelling of 106438838 in words is "one hundred six million, four hundred thirty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 11 22 89 178 979 1958 54361 108722 597971 1195942 4838129 9676258 53219419 106438838