Search a number
-
+
106031929 = 123785717
BaseRepresentation
bin1100101000111…
…10101100111001
321101111222110111
412110132230321
5204121010204
614304344321
72425153663
oct624365471
9241458414
10106031929
11549413a3
122b6150a1
1318c761b3
1410121533
159496d04
hex651eb39

106031929 has 4 divisors (see below), whose sum is σ = 106118884. Its totient is φ = 105944976.

The previous prime is 106031911. The next prime is 106031963. The reversal of 106031929 is 929130601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50126400 + 55905529 = 7080^2 + 7477^2 .

It is a cyclic number.

It is not a de Polignac number, because 106031929 - 29 = 106031417 is a prime.

It is a super-2 number, since 2×1060319292 = 22485539934922082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106031929.

It is not an unprimeable number, because it can be changed into a prime (106031729) 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, 41622 + ... + 44095.

It is an arithmetic number, because the mean of its divisors is an integer number (26529721).

Almost surely, 2106031929 is an apocalyptic number.

It is an amenable number.

106031929 is a deficient number, since it is larger than the sum of its proper divisors (86955).

106031929 is an equidigital number, since it uses as much as digits as its factorization.

106031929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86954.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 106031929 is about 10297.1806335521. The cubic root of 106031929 is about 473.3098625647.

The spelling of 106031929 in words is "one hundred six million, thirty-one thousand, nine hundred twenty-nine".

Divisors: 1 1237 85717 106031929