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82020792 = 23373115749
BaseRepresentation
bin1001110001110…
…00100110111000
312201100002101010
410320320212320
5131444131132
612045553520
72014110450
oct470704670
9181302333
1082020792
1142331487
12235758a0
1313cba119
14ac70d60
1573026cc
hex4e389b8

82020792 has 64 divisors (see below), whose sum is σ = 241920000. Its totient is φ = 22677120.

The previous prime is 82020773. The next prime is 82020793. The reversal of 82020792 is 29702028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82020793) 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 15 ways as a sum of consecutive naturals, for example, 2667 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (3780000).

Almost surely, 282020792 is an apocalyptic number.

It is an amenable number.

82020792 is an abundant number, since it is smaller than the sum of its proper divisors (159899208).

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

82020792 is a wasteful number, since it uses less digits than its factorization.

82020792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15796 (or 15792 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 82020792 is about 9056.5331115168. The cubic root of 82020792 is about 434.4848651725.

It can be divided in two parts, 820 and 20792, that added together give a palindrome (21612).

The spelling of 82020792 in words is "eighty-two million, twenty thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 31 42 56 62 84 93 124 168 186 217 248 372 434 651 744 868 1302 1736 2604 5208 15749 31498 47247 62996 94494 110243 125992 188988 220486 330729 377976 440972 488219 661458 881944 976438 1322916 1464657 1952876 2645832 2929314 3417533 3905752 5858628 6835066 10252599 11717256 13670132 20505198 27340264 41010396 82020792