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22002080 = 255178089
BaseRepresentation
bin101001111101…
…1100110100000
31112101211011212
41103323212200
521113031310
62103325252
7355005002
oct123734640
945354155
1022002080
1111468541
127450828
1347347a9
142cca372
151de9205
hex14fb9a0

22002080 has 48 divisors (see below), whose sum is σ = 55044360. Its totient is φ = 8282112.

The previous prime is 22002077. The next prime is 22002107. The reversal of 22002080 is 8020022.

It can be written as a sum of positive squares in 4 ways, for example, as 13868176 + 8133904 = 3724^2 + 2852^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 6764.

Almost surely, 222002080 is an apocalyptic number.

22002080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002080 is an abundant number, since it is smaller than the sum of its proper divisors (33042280).

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

22002080 is a wasteful number, since it uses less digits than its factorization.

22002080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22002080 is about 4690.6374833278. The cubic root of 22002080 is about 280.2127634567.

The spelling of 22002080 in words is "twenty-two million, two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 8089 16178 32356 40445 64712 80890 129424 137513 161780 258848 275026 323560 550052 647120 687565 1100104 1294240 1375130 2200208 2750260 4400416 5500520 11001040 22002080