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106445142 = 23229320183
BaseRepresentation
bin1100101100000…
…11100101010110
321102021222021200
412112003211112
5204222221032
614321253330
72431524456
oct626034526
9242258250
10106445142
11550a38a1
122b794246
131908c2bb
14101cbd66
15952947c
hex6583956

106445142 has 24 divisors (see below), whose sum is σ = 231429744. Its totient is φ = 35358864.

The previous prime is 106445137. The next prime is 106445161. The reversal of 106445142 is 241544601.

106445142 is a `hidden beast` number, since 1 + 0 + 644 + 5 + 14 + 2 = 666.

It is a super-2 number, since 2×1064451422 = 22661136510800328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4818 + ... + 15365.

It is an arithmetic number, because the mean of its divisors is an integer number (9642906).

Almost surely, 2106445142 is an apocalyptic number.

106445142 is an abundant number, since it is smaller than the sum of its proper divisors (124984602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106445142 is a wasteful number, since it uses less digits than its factorization.

106445142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20484 (or 20481 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 106445142 is about 10317.2254991349. The cubic root of 106445142 is about 473.9239048918.

Adding to 106445142 its reverse (241544601), we get a palindrome (347989743).

The spelling of 106445142 in words is "one hundred six million, four hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 293 586 879 1758 2637 5274 20183 40366 60549 121098 181647 363294 5913619 11827238 17740857 35481714 53222571 106445142