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105697066 = 252848533
BaseRepresentation
bin1100100110011…
…00111100101010
321100212222010011
412103030330222
5204024301231
614253242134
72422260466
oct623147452
9240788104
10105697066
1154732852
122b49334a
1318b89957
14100754a6
15942c9b1
hex64ccf2a

105697066 has 4 divisors (see below), whose sum is σ = 158545602. Its totient is φ = 52848532.

The previous prime is 105697051. The next prime is 105697069. The reversal of 105697066 is 660796501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660796501 = 2011328591.

It can be written as a sum of positive squares in only one way, i.e., 99301225 + 6395841 = 9965^2 + 2529^2 .

It is a super-2 number, since 2×1056970662 = 22343739522016712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (105697069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26424265 + ... + 26424268.

Almost surely, 2105697066 is an apocalyptic number.

105697066 is a deficient number, since it is larger than the sum of its proper divisors (52848536).

105697066 is an equidigital number, since it uses as much as digits as its factorization.

105697066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52848535.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 105697066 is about 10280.9078392912. The cubic root of 105697066 is about 472.8110785232.

The spelling of 105697066 in words is "one hundred five million, six hundred ninety-seven thousand, sixty-six".

Divisors: 1 2 52848533 105697066