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2885240 = 235174243
BaseRepresentation
bin1011000000011001111000
312102120210202
423000121320
51214311430
6141501332
733344531
oct13003170
95376722
102885240
1116a07a6
12b71848
137a0357
14551688
153bed45
hex2c0678

2885240 has 32 divisors (see below), whose sum is σ = 6875280. Its totient is φ = 1085952.

The previous prime is 2885237. The next prime is 2885243. The reversal of 2885240 is 425882.

2885240 = 1492 + 1502 + ... + 2282.

It is an interprime number because it is at equal distance from previous prime (2885237) and next prime (2885243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885243) 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, 1442 + ... + 2801.

22885240 is an apocalyptic number.

2885240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2885240 is an abundant number, since it is smaller than the sum of its proper divisors (3990040).

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

2885240 is a wasteful number, since it uses less digits than its factorization.

2885240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2885240 is about 1698.5994230542. The cubic root of 2885240 is about 142.3619674974.

It can be divided in two parts, 2885 and 240, that added together give a 5-th power (3125 = 55).

The spelling of 2885240 in words is "two million, eight hundred eighty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 4243 8486 16972 21215 33944 42430 72131 84860 144262 169720 288524 360655 577048 721310 1442620 2885240