Search a number
-
+
105958739 = 176232867
BaseRepresentation
bin1100101000011…
…00110101010011
321101101021001202
412110030311103
5204111134424
614303021415
72424430415
oct624146523
9241337052
10105958739
11548a1407
122b59a86b
1318c4baa3
14101029b5
1594802ae
hex650cd53

105958739 has 4 divisors (see below), whose sum is σ = 112191624. Its totient is φ = 99725856.

The previous prime is 105958717. The next prime is 105958747. The reversal of 105958739 is 937859501.

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-105958739 is a prime.

It is a super-2 number, since 2×1059587392 = 22454508740940242, 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 = 105958693 and 105958702.

It is not an unprimeable number, because it can be changed into a prime (105958709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3116417 + ... + 3116450.

It is an arithmetic number, because the mean of its divisors is an integer number (28047906).

Almost surely, 2105958739 is an apocalyptic number.

105958739 is a deficient number, since it is larger than the sum of its proper divisors (6232885).

105958739 is an equidigital number, since it uses as much as digits as its factorization.

105958739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232884.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 105958739 is about 10293.6261346525. The cubic root of 105958739 is about 473.2009346131.

The spelling of 105958739 in words is "one hundred five million, nine hundred fifty-eight thousand, seven hundred thirty-nine".

Divisors: 1 17 6232867 105958739