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106497697 = 389273773
BaseRepresentation
bin1100101100100…
…00011010100001
321102101122101011
412112100122201
5204230411242
614322340521
72432133625
oct626203241
9242348334
10106497697
115512a329
122b7ba741
13190aa1b7
1410203185
159539d17
hex65906a1

106497697 has 4 divisors (see below), whose sum is σ = 106771860. Its totient is φ = 106223536.

The previous prime is 106497691. The next prime is 106497701. The reversal of 106497697 is 796794601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796794601 = 4318530107.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 78872161 = 5256^2 + 8881^2 .

It is a cyclic number.

It is not a de Polignac number, because 106497697 - 23 = 106497689 is a prime.

It is a super-2 number, since 2×1064976972 = 22683518932607618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106497697.

It is not an unprimeable number, because it can be changed into a prime (106497691) 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 3 ways as a sum of consecutive naturals, for example, 136498 + ... + 137275.

It is an arithmetic number, because the mean of its divisors is an integer number (26692965).

Almost surely, 2106497697 is an apocalyptic number.

It is an amenable number.

106497697 is a deficient number, since it is larger than the sum of its proper divisors (274163).

106497697 is an equidigital number, since it uses as much as digits as its factorization.

106497697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274162.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 106497697 is about 10319.7721389573. The cubic root of 106497697 is about 474.0018886381.

The spelling of 106497697 in words is "one hundred six million, four hundred ninety-seven thousand, six hundred ninety-seven".

Divisors: 1 389 273773 106497697