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106447871 = 212949999
BaseRepresentation
bin1100101100001…
…00001111111111
321102022010000202
412112010033333
5204222312441
614321314115
72431535435
oct626041777
9242263022
10106447871
11550a5952
122b79593b
131909060a
14101ccd55
15952a19b
hex65843ff

106447871 has 4 divisors (see below), whose sum is σ = 106500000. Its totient is φ = 106395744.

The previous prime is 106447843. The next prime is 106447889. The reversal of 106447871 is 178744601.

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

It is a cyclic number.

It is not a de Polignac number, because 106447871 - 226 = 39339007 is a prime.

It is a super-2 number, since 2×1064478712 = 22662298480865282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106447801) 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, 22871 + ... + 27128.

It is an arithmetic number, because the mean of its divisors is an integer number (26625000).

Almost surely, 2106447871 is an apocalyptic number.

106447871 is a deficient number, since it is larger than the sum of its proper divisors (52129).

106447871 is an equidigital number, since it uses as much as digits as its factorization.

106447871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52128.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 106447871 is about 10317.3577528358. The cubic root of 106447871 is about 473.9279549507.

The spelling of 106447871 in words is "one hundred six million, four hundred forty-seven thousand, eight hundred seventy-one".

Divisors: 1 2129 49999 106447871