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2669880 = 2335191171
BaseRepresentation
bin1010001011110100111000
312000122101110
422023310320
51140414010
6133120320
731456623
oct12136470
95018343
102669880
111563a14
12a890a0
13726315
144d6dba
1537b120
hex28bd38

2669880 has 64 divisors (see below), whose sum is σ = 8438400. Its totient is φ = 673920.

The previous prime is 2669873. The next prime is 2669881. The reversal of 2669880 is 889662.

2669880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (131850).

22669880 is an apocalyptic number.

2669880 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 2669880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219200).

2669880 is an abundant number, since it is smaller than the sum of its proper divisors (5768520).

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

2669880 is a wasteful number, since it uses less digits than its factorization.

2669880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2669880 is about 1633.9767440206. The cubic root of 2669880 is about 138.7279325346.

The spelling of 2669880 in words is "two million, six hundred sixty-nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 1171 2280 2342 3513 4684 5855 7026 9368 11710 14052 17565 22249 23420 28104 35130 44498 46840 66747 70260 88996 111245 133494 140520 177992 222490 266988 333735 444980 533976 667470 889960 1334940 2669880