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2104080 = 243511797
BaseRepresentation
bin1000000001101100010000
310221220020220
420001230100
51014312310
6113033040
723612226
oct10015420
93856226
102104080
111207910
12855780
13588924
143cab16
152b8670
hex201b10

2104080 has 80 divisors (see below), whose sum is σ = 7124544. Its totient is φ = 509440.

The previous prime is 2104061. The next prime is 2104087. The reversal of 2104080 is 804012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2104087) 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, 2242 + ... + 3038.

22104080 is an apocalyptic number.

2104080 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 2104080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562272).

2104080 is an abundant number, since it is smaller than the sum of its proper divisors (5020464).

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

2104080 is a wasteful number, since it uses less digits than its factorization.

2104080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2104080 is about 1450.5447252670. The cubic root of 2104080 is about 128.1407955937.

Adding to 2104080 its reverse (804012), we get a palindrome (2908092).

The spelling of 2104080 in words is "two million, one hundred four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 797 880 1320 1594 2391 2640 3188 3985 4782 6376 7970 8767 9564 11955 12752 15940 17534 19128 23910 26301 31880 35068 38256 43835 47820 52602 63760 70136 87670 95640 105204 131505 140272 175340 191280 210408 263010 350680 420816 526020 701360 1052040 2104080