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106428747 = 3193315641
BaseRepresentation
bin1100101011111…
…11100101001011
321102021010210110
412111333211023
5204221204442
614321045403
72431425615
oct625774513
9242233713
10106428747
1155092547
122b786863
13190849b9
14101c5db5
15952469c
hex657f94b

106428747 has 16 divisors (see below), whose sum is σ = 149851520. Its totient is φ = 67003200.

The previous prime is 106428739. The next prime is 106428779. The reversal of 106428747 is 747824601.

It is not a de Polignac number, because 106428747 - 23 = 106428739 is a prime.

It is a super-2 number, since 2×1064287472 = 22654156375980018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106428947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16047 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (9365720).

Almost surely, 2106428747 is an apocalyptic number.

106428747 is a deficient number, since it is larger than the sum of its proper divisors (43422773).

106428747 is a wasteful number, since it uses less digits than its factorization.

106428747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 106428747 is about 10316.4309235316. The cubic root of 106428747 is about 473.8995719154.

The spelling of 106428747 in words is "one hundred six million, four hundred twenty-eight thousand, seven hundred forty-seven".

Divisors: 1 3 19 57 331 993 5641 6289 16923 18867 107179 321537 1867171 5601513 35476249 106428747