Search a number
-
+
82912029 = 3191454597
BaseRepresentation
bin1001111000100…
…10001100011101
312210000100220220
410330102030131
5132211141104
612121031553
72024512014
oct474221435
9183010826
1082912029
1142890042
12239255b9
131423c995
14b023a7b
15742b7d9
hex4f1231d

82912029 has 8 divisors (see below), whose sum is σ = 116367840. Its totient is φ = 52365456.

The previous prime is 82912021. The next prime is 82912057. The reversal of 82912029 is 92021928.

It is a happy number.

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

It is not a de Polignac number, because 82912029 - 23 = 82912021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82912021) 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 7 ways as a sum of consecutive naturals, for example, 727242 + ... + 727355.

It is an arithmetic number, because the mean of its divisors is an integer number (14545980).

Almost surely, 282912029 is an apocalyptic number.

It is an amenable number.

82912029 is a deficient number, since it is larger than the sum of its proper divisors (33455811).

82912029 is a wasteful number, since it uses less digits than its factorization.

82912029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454619.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 82912029 is about 9105.6042633095. The cubic root of 82912029 is about 436.0529019360.

The spelling of 82912029 in words is "eighty-two million, nine hundred twelve thousand, twenty-nine".

Divisors: 1 3 19 57 1454597 4363791 27637343 82912029