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2087880 = 2335127137
BaseRepresentation
bin111111101101111001000
310221002000220
413331233020
51013303010
6112430040
723514054
oct7755710
93832026
102087880
1111a6723
12848320
13581442
143c4c64
152b3970
hex1fdbc8

2087880 has 64 divisors (see below), whose sum is σ = 6359040. Its totient is φ = 548352.

The previous prime is 2087879. The next prime is 2087903. The reversal of 2087880 is 887802.

It is a congruent 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, 15172 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (99360).

22087880 is an apocalyptic number.

2087880 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 2087880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179520).

2087880 is an abundant number, since it is smaller than the sum of its proper divisors (4271160).

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

2087880 is a wasteful number, since it uses less digits than its factorization.

2087880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 2087880 is about 1444.9498261185. The cubic root of 2087880 is about 127.8110819860.

The spelling of 2087880 in words is "two million, eighty-seven thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 127 137 254 274 381 411 508 548 635 685 762 822 1016 1096 1270 1370 1524 1644 1905 2055 2540 2740 3048 3288 3810 4110 5080 5480 7620 8220 15240 16440 17399 34798 52197 69596 86995 104394 139192 173990 208788 260985 347980 417576 521970 695960 1043940 2087880