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2712340 = 225135617
BaseRepresentation
bin1010010110001100010100
312002210122001
422112030110
51143243330
6134045044
732024461
oct12261424
95083561
102712340
111592904
12aa9784
1373c747
14508668
153889ca
hex296314

2712340 has 12 divisors (see below), whose sum is σ = 5695956. Its totient is φ = 1084928.

The previous prime is 2712337. The next prime is 2712371. The reversal of 2712340 is 432172.

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 1887876 = 908^2 + 1374^2 .

It is a super-3 number, since 3×27123403 = 59862333334322712000, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67789 + ... + 67828.

It is an arithmetic number, because the mean of its divisors is an integer number (474663).

22712340 is an apocalyptic number.

2712340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2712340 is an abundant number, since it is smaller than the sum of its proper divisors (2983616).

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

2712340 is a wasteful number, since it uses less digits than its factorization.

2712340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135626 (or 135624 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2712340 is about 1646.9183343445. The cubic root of 2712340 is about 139.4594804445.

The spelling of 2712340 in words is "two million, seven hundred twelve thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 135617 271234 542468 678085 1356170 2712340