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82790010 = 23258311083
BaseRepresentation
bin1001110111101…
…00011001111010
312202210011112200
410323310121322
5132143240020
612114251030
72023463202
oct473643172
9182704480
1082790010
11428073a6
1223886a76
13141c9294
14add1402
157405590
hex4ef467a

82790010 has 48 divisors (see below), whose sum is σ = 217867104. Its totient is φ = 21809376.

The previous prime is 82790009. The next prime is 82790021. The reversal of 82790010 is 1009728.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1929 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (4538898).

Almost surely, 282790010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82790010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108933552).

82790010 is an abundant number, since it is smaller than the sum of its proper divisors (135077094).

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

82790010 is a wasteful number, since it uses less digits than its factorization.

82790010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11179 (or 11176 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 82790010 is about 9098.9015820592. The cubic root of 82790010 is about 435.8388885134.

Adding to 82790010 its reverse (1009728), we get a palindrome (83799738).

The spelling of 82790010 in words is "eighty-two million, seven hundred ninety thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 83 90 166 249 415 498 747 830 1245 1494 2490 3735 7470 11083 22166 33249 55415 66498 99747 110830 166245 199494 332490 498735 919889 997470 1839778 2759667 4599445 5519334 8279001 9198890 13798335 16558002 27596670 41395005 82790010