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3141940 = 225179241
BaseRepresentation
bin1011111111000100110100
312220121221011
423333010310
51301020230
6151202004
735464114
oct13770464
95817834
103141940
11185664a
121076304
13860149
145bb044
15420e2a
hex2ff134

3141940 has 24 divisors (see below), whose sum is σ = 6986952. Its totient is φ = 1182720.

The previous prime is 3141937. The next prime is 3141959. The reversal of 3141940 is 491413.

It can be written as a sum of positive squares in 4 ways, for example, as 1648656 + 1493284 = 1284^2 + 1222^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4281 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (291123).

Almost surely, 23141940 is an apocalyptic number.

It is an amenable number.

3141940 is an abundant number, since it is smaller than the sum of its proper divisors (3845012).

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

3141940 is a wasteful number, since it uses less digits than its factorization.

3141940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267 (or 9265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3141940 is about 1772.5518328105. The cubic root of 3141940 is about 146.4645862519.

The spelling of 3141940 in words is "three million, one hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 9241 18482 36964 46205 92410 157097 184820 314194 628388 785485 1570970 3141940