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2087340 = 2235191831
BaseRepresentation
bin111111101100110101100
310221001021220
413331212230
51013243330
6112423340
723512353
oct7754654
93831256
102087340
1111a6282
12847b50
13581118
143c499a
152b3710
hex1fd9ac

2087340 has 48 divisors (see below), whose sum is σ = 6155520. Its totient is φ = 527040.

The previous prime is 2087339. The next prime is 2087347. The reversal of 2087340 is 437802.

It is a self number, because there is not a number n which added to its sum of digits gives 2087340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225 + ... + 2055.

It is an arithmetic number, because the mean of its divisors is an integer number (128240).

22087340 is an apocalyptic number.

2087340 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 2087340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3077760).

2087340 is an abundant number, since it is smaller than the sum of its proper divisors (4068180).

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

2087340 is a wasteful number, since it uses less digits than its factorization.

2087340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2087340 is about 1444.7629563357. The cubic root of 2087340 is about 127.8000622059.

The spelling of 2087340 in words is "two million, eighty-seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 1831 3662 5493 7324 9155 10986 18310 21972 27465 34789 36620 54930 69578 104367 109860 139156 173945 208734 347890 417468 521835 695780 1043670 2087340