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106205023 = 160766089
BaseRepresentation
bin1100101010010…
…00111101011111
321101211202220101
412111020331133
5204142030043
614312201531
72426504431
oct625107537
9241752811
10106205023
1154a4a451
122b6992a7
1319006c12
1410168651
1594cd24d
hex6548f5f

106205023 has 4 divisors (see below), whose sum is σ = 106272720. Its totient is φ = 106137328.

The previous prime is 106204963. The next prime is 106205027. The reversal of 106205023 is 320502601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320502601 = 615254141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106205023 is a prime.

It is a super-2 number, since 2×1062050232 = 22559013820861058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106205027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31438 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (26568180).

Almost surely, 2106205023 is an apocalyptic number.

106205023 is a deficient number, since it is larger than the sum of its proper divisors (67697).

106205023 is an equidigital number, since it uses as much as digits as its factorization.

106205023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67696.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 106205023 is about 10305.5821281478. The cubic root of 106205023 is about 473.5672773432.

Adding to 106205023 its reverse (320502601), we get a palindrome (426707624).

The spelling of 106205023 in words is "one hundred six million, two hundred five thousand, twenty-three".

Divisors: 1 1607 66089 106205023