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3126340 = 2257137163
BaseRepresentation
bin1011111011010001000100
312212211112101
423323101010
51300020330
6151001444
735400460
oct13732104
95784471
103126340
111845958
121069284
13856009
145b54a0
1541b4ca
hex2fb444

3126340 has 48 divisors (see below), whose sum is σ = 7604352. Its totient is φ = 1057536.

The previous prime is 3126323. The next prime is 3126353. The reversal of 3126340 is 436213.

3126340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×31263404 (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

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, 19099 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (158424).

Almost surely, 23126340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3126340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802176).

3126340 is an abundant number, since it is smaller than the sum of its proper divisors (4478012).

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

3126340 is a wasteful number, since it uses less digits than its factorization.

3126340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3126340 is about 1768.1459215800. The cubic root of 3126340 is about 146.2217809046.

The spelling of 3126340 in words is "three million, one hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 137 140 163 274 326 548 652 685 815 959 1141 1370 1630 1918 2282 2740 3260 3836 4564 4795 5705 9590 11410 19180 22331 22820 44662 89324 111655 156317 223310 312634 446620 625268 781585 1563170 3126340