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5678140 = 2251321839
BaseRepresentation
bin10101101010010000111100
3101200110221111
4111222100330
52423200030
6321411404
766156226
oct25522074
911613844
105678140
113229086
121a99b64
13123a660
14a7b416
1577262a
hex56a43c

5678140 has 24 divisors (see below), whose sum is σ = 12841920. Its totient is φ = 2096448.

The previous prime is 5678129. The next prime is 5678143. The reversal of 5678140 is 418765.

5678140 = T520 + T521 + ... + T558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10660 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 25678140 is an apocalyptic number.

It is an amenable number.

5678140 is an abundant number, since it is smaller than the sum of its proper divisors (7163780).

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

5678140 is a wasteful number, since it uses less digits than its factorization.

5678140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21861 (or 21859 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 5678140 is about 2382.8848062800. The cubic root of 5678140 is about 178.4029502753.

The spelling of 5678140 in words is "five million, six hundred seventy-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 21839 43678 87356 109195 218390 283907 436780 567814 1135628 1419535 2839070 5678140