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2053680 = 243543199
BaseRepresentation
bin111110101011000110000
310212100010020
413311120300
51011204210
6112003440
723312256
oct7653060
93770106
102053680
111182a62
12830580
1356b9c5
143b65d6
152a8770
hex1f5630

2053680 has 80 divisors (see below), whose sum is σ = 6547200. Its totient is φ = 532224.

The previous prime is 2053673. The next prime is 2053699. The reversal of 2053680 is 863502.

2053680 = T16 + T17 + ... + T230.

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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2053680.

It is an unprimeable number.

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, 10221 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (81840).

22053680 is an apocalyptic number.

2053680 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 2053680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3273600).

2053680 is an abundant number, since it is smaller than the sum of its proper divisors (4493520).

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

2053680 is a wasteful number, since it uses less digits than its factorization.

2053680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2053680 is about 1433.0666418558. The cubic root of 2053680 is about 127.1093773252.

The spelling of 2053680 in words is "two million, fifty-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 172 199 215 240 258 344 398 430 516 597 645 688 796 860 995 1032 1194 1290 1592 1720 1990 2064 2388 2580 2985 3184 3440 3980 4776 5160 5970 7960 8557 9552 10320 11940 15920 17114 23880 25671 34228 42785 47760 51342 68456 85570 102684 128355 136912 171140 205368 256710 342280 410736 513420 684560 1026840 2053680