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2813660 = 225140683
BaseRepresentation
bin1010101110111011011100
312021221121122
422232323130
51210014120
6140150112
732626043
oct12567334
95257548
102813660
111651a43
12b38338
137768b5
1453355a
153a8a25
hex2aeedc

2813660 has 12 divisors (see below), whose sum is σ = 5908728. Its totient is φ = 1125456.

The previous prime is 2813647. The next prime is 2813663. The reversal of 2813660 is 663182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70322 + ... + 70361.

It is an arithmetic number, because the mean of its divisors is an integer number (492394).

22813660 is an apocalyptic number.

2813660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2813660 is an abundant number, since it is smaller than the sum of its proper divisors (3095068).

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

2813660 is a wasteful number, since it uses less digits than its factorization.

2813660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140692 (or 140690 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2813660 is about 1677.3967926522. The cubic root of 2813660 is about 141.1748079189.

The spelling of 2813660 in words is "two million, eight hundred thirteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 140683 281366 562732 703415 1406830 2813660