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2812080 = 243511717
BaseRepresentation
bin1010101110100010110000
312021212110010
422232202300
51204441310
6140134520
732621325
oct12564260
95255403
102812080
111650837
12b37440
13775c6b
14532b4c
153a8320
hex2ae8b0

2812080 has 40 divisors (see below), whose sum is σ = 8718192. Its totient is φ = 749824.

The previous prime is 2812063. The next prime is 2812099. The reversal of 2812080 is 802182.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5619 + ... + 6098.

22812080 is an apocalyptic number.

2812080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2812080 is an abundant number, since it is smaller than the sum of its proper divisors (5906112).

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

2812080 is a wasteful number, since it uses less digits than its factorization.

2812080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11733 (or 11727 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2812080 is about 1676.9257586429. The cubic root of 2812080 is about 141.1483775800.

The spelling of 2812080 in words is "two million, eight hundred twelve thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 11717 23434 35151 46868 58585 70302 93736 117170 140604 175755 187472 234340 281208 351510 468680 562416 703020 937360 1406040 2812080