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106766641 = 555719213
BaseRepresentation
bin1100101110100…
…10000100110001
321102220022022001
412113102010301
5204313013031
614332214001
72434334002
oct627220461
9242808261
10106766641
11552a33a3
122b90a301
1319172737
14102731a9
15958e861
hex65d2131

106766641 has 4 divisors (see below), whose sum is σ = 106791412. Its totient is φ = 106741872.

The previous prime is 106766629. The next prime is 106766669. The reversal of 106766641 is 146667601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146667601 = 1271154863.

It can be written as a sum of positive squares in 2 ways, for example, as 101909025 + 4857616 = 10095^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 106766641 - 221 = 104669489 is a prime.

It is a super-2 number, since 2×1067666412 = 22798231260845762, which contains 22 as substring.

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 106766641.

It is not an unprimeable number, because it can be changed into a prime (106716641) 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, 4050 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (26697853).

Almost surely, 2106766641 is an apocalyptic number.

It is an amenable number.

106766641 is a deficient number, since it is larger than the sum of its proper divisors (24771).

106766641 is an equidigital number, since it uses as much as digits as its factorization.

106766641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24770.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 106766641 is about 10332.7944429375. The cubic root of 106766641 is about 474.4005601815.

The spelling of 106766641 in words is "one hundred six million, seven hundred sixty-six thousand, six hundred forty-one".

Divisors: 1 5557 19213 106766641