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106531345 = 531687299
BaseRepresentation
bin1100101100110…
…00101000010001
321102110100112101
412112120220101
5204233000340
614323200401
72432334004
oct626305021
9242410471
10106531345
1155152638
122b816101
13190bc5cb
141021153b
159544c9a
hex6598a11

106531345 has 8 divisors (see below), whose sum is σ = 131961600. Its totient is φ = 82475760.

The previous prime is 106531343. The next prime is 106531349. The reversal of 106531345 is 543135601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106531345 - 21 = 106531343 is a prime.

It is a super-2 number, since 2×1065313452 = 22697854935018050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106531343) 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, 343495 + ... + 343804.

It is an arithmetic number, because the mean of its divisors is an integer number (16495200).

Almost surely, 2106531345 is an apocalyptic number.

It is an amenable number.

106531345 is a deficient number, since it is larger than the sum of its proper divisors (25430255).

106531345 is an equidigital number, since it uses as much as digits as its factorization.

106531345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687335.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 106531345 is about 10321.4022787604. The cubic root of 106531345 is about 474.0518037585.

Adding to 106531345 its reverse (543135601), we get a palindrome (649666946).

The spelling of 106531345 in words is "one hundred six million, five hundred thirty-one thousand, three hundred forty-five".

Divisors: 1 5 31 155 687299 3436495 21306269 106531345