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2825900 = 2252711367
BaseRepresentation
bin1010110001111010101100
312022120101222
422301322230
51210412100
6140322512
733006530
oct12617254
95276358
102825900
111660160
12b43438
1377c33c
14537bc0
153ac485
hex2b1eac

2825900 has 72 divisors (see below), whose sum is σ = 7666176. Its totient is φ = 878400.

The previous prime is 2825891. The next prime is 2825939. The reversal of 2825900 is 95282.

It is a self number, because there is not a number n which added to its sum of digits gives 2825900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7517 + ... + 7883.

22825900 is an apocalyptic number.

2825900 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 2825900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3833088).

2825900 is an abundant number, since it is smaller than the sum of its proper divisors (4840276).

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

2825900 is a wasteful number, since it uses less digits than its factorization.

2825900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2825900 is about 1681.0413439294. The cubic root of 2825900 is about 141.3792249413.

The spelling of 2825900 in words is "two million, eight hundred twenty-five thousand, nine hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 367 385 550 700 734 770 1100 1468 1540 1835 1925 2569 3670 3850 4037 5138 7340 7700 8074 9175 10276 12845 16148 18350 20185 25690 28259 36700 40370 51380 56518 64225 80740 100925 113036 128450 141295 201850 256900 282590 403700 565180 706475 1412950 2825900