Search a number
-
+
106777145 = 561350089
BaseRepresentation
bin1100101110101…
…00101000111001
321102220211201002
412113110220321
5204313332040
614332334345
72434406426
oct627245071
9242824632
10106777145
1155300282
122b9143b5
1319177457
1410276d4d
159592a15
hex65d4a39

106777145 has 8 divisors (see below), whose sum is σ = 130233480. Its totient is φ = 84021120.

The previous prime is 106777123. The next prime is 106777199. The reversal of 106777145 is 541777601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4787344 + 101989801 = 2188^2 + 10099^2 .

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

It is not a de Polignac number, because 106777145 - 26 = 106777081 is a prime.

It is a super-2 number, since 2×1067771452 = 22802717388702050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106777099 and 106777108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174740 + ... + 175349.

It is an arithmetic number, because the mean of its divisors is an integer number (16279185).

Almost surely, 2106777145 is an apocalyptic number.

It is an amenable number.

106777145 is a deficient number, since it is larger than the sum of its proper divisors (23456335).

106777145 is an equidigital number, since it uses as much as digits as its factorization.

106777145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350155.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 106777145 is about 10333.3027150084. The cubic root of 106777145 is about 474.4161172882.

The spelling of 106777145 in words is "one hundred six million, seven hundred seventy-seven thousand, one hundred forty-five".

Divisors: 1 5 61 305 350089 1750445 21355429 106777145