Search a number
-
+
82772492 = 22112389919
BaseRepresentation
bin1001110111100…
…00001000001100
312202202021111212
410323300020030
5132142204432
612114033552
72023361135
oct473601014
9182667455
1082772492
11427a5220
12238788b8
13141c130a
14adc8c8c
1574002b2
hex4ef020c

82772492 has 48 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 35544960.

The previous prime is 82772491. The next prime is 82772509. The reversal of 82772492 is 29427728.

It is not an unprimeable number, because it can be changed into a prime (82772491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89609 + ... + 90527.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 282772492 is an apocalyptic number.

It is an amenable number.

82772492 is an abundant number, since it is smaller than the sum of its proper divisors (84152308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82772492 is a wasteful number, since it uses less digits than its factorization.

82772492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 82772492 is about 9097.9388874624. The cubic root of 82772492 is about 435.8081458178.

The spelling of 82772492 in words is "eighty-two million, seven hundred seventy-two thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 23 44 46 89 92 178 253 356 506 919 979 1012 1838 1958 2047 3676 3916 4094 8188 10109 20218 21137 22517 40436 42274 45034 81791 84548 90068 163582 232507 327164 465014 899701 930028 1799402 1881193 3598804 3762386 7524772 20693123 41386246 82772492