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106943931 = 3259201401
BaseRepresentation
bin1100101111111…
…01010110111011
321110020022111100
412113331112323
5204334201211
614340102443
72436002613
oct627752673
9243208440
10106943931
1155404616
122b994a23
1319205343
14102bba43
1595c7156
hex65fd5bb

106943931 has 12 divisors (see below), whose sum is σ = 157093560. Its totient is φ = 70087200.

The previous prime is 106943927. The next prime is 106943939. The reversal of 106943931 is 139349601.

It is not a de Polignac number, because 106943931 - 22 = 106943927 is a prime.

It is a super-2 number, since 2×1069439312 = 22874008755465522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106943939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100170 + ... + 101231.

It is an arithmetic number, because the mean of its divisors is an integer number (13091130).

Almost surely, 2106943931 is an apocalyptic number.

106943931 is a deficient number, since it is larger than the sum of its proper divisors (50149629).

106943931 is a wasteful number, since it uses less digits than its factorization.

106943931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201466 (or 201463 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 106943931 is about 10341.3698802431. The cubic root of 106943931 is about 474.6630015941.

The spelling of 106943931 in words is "one hundred six million, nine hundred forty-three thousand, nine hundred thirty-one".

Divisors: 1 3 9 59 177 531 201401 604203 1812609 11882659 35647977 106943931