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82722684 = 22311626687
BaseRepresentation
bin1001110111000…
…11111101111100
312202122202012010
410323203331330
5132134111214
612113011220
72023063002
oct473437574
9182582163
1082722684
1142770860
1223853b10
13141a4745
14adb4a72
1573e0659
hex4ee3f7c

82722684 has 24 divisors (see below), whose sum is σ = 210567168. Its totient is φ = 25067440.

The previous prime is 82722683. The next prime is 82722709. The reversal of 82722684 is 48622728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82722683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313212 + ... + 313475.

It is an arithmetic number, because the mean of its divisors is an integer number (8773632).

Almost surely, 282722684 is an apocalyptic number.

It is an amenable number.

82722684 is an abundant number, since it is smaller than the sum of its proper divisors (127844484).

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

82722684 is a wasteful number, since it uses less digits than its factorization.

82722684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626705 (or 626703 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 82722684 is about 9095.2011522561. The cubic root of 82722684 is about 435.7207130366.

The spelling of 82722684 in words is "eighty-two million, seven hundred twenty-two thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 626687 1253374 1880061 2506748 3760122 6893557 7520244 13787114 20680671 27574228 41361342 82722684