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106764889 = 7111386557
BaseRepresentation
bin1100101110100…
…01101001011001
321102220012220011
412113101221121
5204312434024
614332201521
72434325620
oct627215131
9242805804
10106764889
11552a2050
122b9092a1
13191719ba
14102726b7
15958e094
hex65d1a59

106764889 has 8 divisors (see below), whose sum is σ = 133109568. Its totient is φ = 83193360.

The previous prime is 106764887. The next prime is 106764923. The reversal of 106764889 is 988467601.

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

It is a cyclic number.

It is not a de Polignac number, because 106764889 - 21 = 106764887 is a prime.

It is a super-2 number, since 2×1067648892 = 22797483046364642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106764881) 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, 693202 + ... + 693355.

It is an arithmetic number, because the mean of its divisors is an integer number (16638696).

Almost surely, 2106764889 is an apocalyptic number.

It is an amenable number.

106764889 is a deficient number, since it is larger than the sum of its proper divisors (26344679).

106764889 is a wasteful number, since it uses less digits than its factorization.

106764889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386575.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 106764889 is about 10332.7096639749. The cubic root of 106764889 is about 474.3979652564.

It can be divided in two parts, 1067 and 64889, that added together give a palindrome (65956).

The spelling of 106764889 in words is "one hundred six million, seven hundred sixty-four thousand, eight hundred eighty-nine".

Divisors: 1 7 11 77 1386557 9705899 15252127 106764889