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5143890 = 235277619
BaseRepresentation
bin10011100111110101010010
3100200100002110
4103213311102
52304101030
6302130150
761502523
oct23476522
910610073
105143890
1129a3754
121880956
1310b142b
1497c84a
156b91b0
hex4e7d52

5143890 has 32 divisors (see below), whose sum is σ = 12409920. Its totient is φ = 1364544.

The previous prime is 5143871. The next prime is 5143891. The reversal of 5143890 is 983415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5143891) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8001 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (387810).

Almost surely, 25143890 is an apocalyptic number.

5143890 is an abundant number, since it is smaller than the sum of its proper divisors (7266030).

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

5143890 is a wasteful number, since it uses less digits than its factorization.

5143890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5143890 is about 2268.0145502179. The cubic root of 5143890 is about 172.6224293651.

The spelling of 5143890 in words is "five million, one hundred forty-three thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 277 554 619 831 1238 1385 1662 1857 2770 3095 3714 4155 6190 8310 9285 18570 171463 342926 514389 857315 1028778 1714630 2571945 5143890