Search a number
-
+
106719789 = 31119170207
BaseRepresentation
bin1100101110001…
…10101000101101
321102210221000210
412113012220231
5204310013124
614331213033
72434050261
oct627065055
9242727023
10106719789
1155271180
122b8a7179
1319157307
14102600a1
159580a29
hex65c6a2d

106719789 has 16 divisors (see below), whose sum is σ = 163399680. Its totient is φ = 61274160.

The previous prime is 106719787. The next prime is 106719817. The reversal of 106719789 is 987917601.

It is a happy number.

It is not a de Polignac number, because 106719789 - 21 = 106719787 is a prime.

It is a super-2 number, since 2×1067197892 = 22778226728409042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106719787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84477 + ... + 85730.

It is an arithmetic number, because the mean of its divisors is an integer number (10212480).

Almost surely, 2106719789 is an apocalyptic number.

106719789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

106719789 is a deficient number, since it is larger than the sum of its proper divisors (56679891).

106719789 is a wasteful number, since it uses less digits than its factorization.

106719789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170240.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 106719789 is about 10330.5270436701. The cubic root of 106719789 is about 474.3311568959.

The spelling of 106719789 in words is "one hundred six million, seven hundred nineteen thousand, seven hundred eighty-nine".

Divisors: 1 3 11 19 33 57 209 627 170207 510621 1872277 3233933 5616831 9701799 35573263 106719789