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2069280 = 25335479
BaseRepresentation
bin111111001001100100000
310220010112000
413321030200
51012204110
6112204000
723405613
oct7711440
93803460
102069280
111193754
12839600
13575b35
143bc17a
152ad1c0
hex1f9320

2069280 has 96 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 550656.

The previous prime is 2069267. The next prime is 2069329. The reversal of 2069280 is 829602.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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, 4081 + ... + 4559.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

22069280 is an apocalyptic number.

2069280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628800).

2069280 is an abundant number, since it is smaller than the sum of its proper divisors (5188320).

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

2069280 is a wasteful number, since it uses less digits than its factorization.

2069280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2069280 is about 1438.4992179351. The cubic root of 2069280 is about 127.4304118534.

The spelling of 2069280 in words is "two million, sixty-nine thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 479 480 540 720 864 958 1080 1437 1440 1916 2160 2395 2874 3832 4311 4320 4790 5748 7185 7664 8622 9580 11496 12933 14370 15328 17244 19160 21555 22992 25866 28740 34488 38320 43110 45984 51732 57480 64665 68976 76640 86220 103464 114960 129330 137952 172440 206928 229920 258660 344880 413856 517320 689760 1034640 2069280