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2925280 = 25547389
BaseRepresentation
bin1011001010001011100000
312111121201201
423022023200
51222102110
6142410544
733602341
oct13121340
95447651
102925280
111718896
12b90a54
137b5647
145620c8
153cbb3a
hex2ca2e0

2925280 has 48 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 1142272.

The previous prime is 2925211. The next prime is 2925281. The reversal of 2925280 is 825292.

2925280 = T201 + T202 + ... + T294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2925281) 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, 7326 + ... + 7714.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

22925280 is an apocalyptic number.

2925280 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 2925280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538080).

2925280 is an abundant number, since it is smaller than the sum of its proper divisors (4150880).

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

2925280 is a wasteful number, since it uses less digits than its factorization.

2925280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2925280 is about 1710.3449944383. The cubic root of 2925280 is about 143.0174885290.

The spelling of 2925280 in words is "two million, nine hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 389 470 752 778 940 1504 1556 1880 1945 3112 3760 3890 6224 7520 7780 12448 15560 18283 31120 36566 62240 73132 91415 146264 182830 292528 365660 585056 731320 1462640 2925280