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106542769 = 1794311381
BaseRepresentation
bin1100101100110…
…11011010110001
321102110221012111
412112123122301
5204233332034
614323325321
72432412214
oct626333261
9242427174
10106542769
1155160183
122b820841
13190c4878
141021577b
159548364
hex659b6b1

106542769 has 8 divisors (see below), whose sum is σ = 107464320. Its totient is φ = 105625200.

The previous prime is 106542743. The next prime is 106542803. The reversal of 106542769 is 967245601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106542769 is a prime.

It is a super-2 number, since 2×1065427692 = 22702723252374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106542269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76459 + ... + 77839.

It is an arithmetic number, because the mean of its divisors is an integer number (13433040).

Almost surely, 2106542769 is an apocalyptic number.

It is an amenable number.

106542769 is a deficient number, since it is larger than the sum of its proper divisors (921551).

106542769 is a wasteful number, since it uses less digits than its factorization.

106542769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 106542769 is about 10321.9556770992. The cubic root of 106542769 is about 474.0687482995.

It can be divided in two parts, 1065 and 42769, that added together give a palindrome (43834).

The spelling of 106542769 in words is "one hundred six million, five hundred forty-two thousand, seven hundred sixty-nine".

Divisors: 1 179 431 1381 77149 247199 595211 106542769