Search a number
-
+
106177139 = 313425069
BaseRepresentation
bin1100101010000…
…10001001110011
321101210100122122
412111002021303
5204140132024
614311424455
72426330225
oct625021163
9241710578
10106177139
1154a30502
122b68512b
1318cc7313
141015c415
1594c4d5e
hex6542273

106177139 has 4 divisors (see below), whose sum is σ = 109602240. Its totient is φ = 102752040.

The previous prime is 106177133. The next prime is 106177151. The reversal of 106177139 is 931771601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-106177139 is a prime.

It is a super-2 number, since 2×1061771392 = 22547169692450642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106177099 and 106177108.

It is not an unprimeable number, because it can be changed into a prime (106177133) 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, 1712504 + ... + 1712565.

It is an arithmetic number, because the mean of its divisors is an integer number (27400560).

Almost surely, 2106177139 is an apocalyptic number.

106177139 is a deficient number, since it is larger than the sum of its proper divisors (3425101).

106177139 is an equidigital number, since it uses as much as digits as its factorization.

106177139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425100.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 106177139 is about 10304.2291802929. The cubic root of 106177139 is about 473.5258288775.

The spelling of 106177139 in words is "one hundred six million, one hundred seventy-seven thousand, one hundred thirty-nine".

Divisors: 1 31 3425069 106177139