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82922280 = 2335798717
BaseRepresentation
bin1001111000101…
…00101100101000
312210000212222120
410330110230220
5132212003110
612121151240
72024553630
oct474245450
9183025876
1082922280
1142897811
122392b520
131424454c
14b0276c0
15742e870
hex4f14b28

82922280 has 64 divisors (see below), whose sum is σ = 284307840. Its totient is φ = 18953472.

The previous prime is 82922239. The next prime is 82922297. The reversal of 82922280 is 8222928.

It is a super-2 number, since 2×829222802 = 13752209040796800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48519 + ... + 50198.

It is an arithmetic number, because the mean of its divisors is an integer number (4442310).

Almost surely, 282922280 is an apocalyptic number.

It is an amenable number.

82922280 is an abundant number, since it is smaller than the sum of its proper divisors (201385560).

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

82922280 is a wasteful number, since it uses less digits than its factorization.

82922280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98738 (or 98734 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 82922280 is about 9106.1671410094. The cubic root of 82922280 is about 436.0708719625.

The spelling of 82922280 in words is "eighty-two million, nine hundred twenty-two thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 98717 197434 296151 394868 493585 592302 691019 789736 987170 1184604 1382038 1480755 1974340 2073057 2369208 2764076 2961510 3455095 3948680 4146114 5528152 5923020 6910190 8292228 10365285 11846040 13820380 16584456 20730570 27640760 41461140 82922280