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7025020 = 2251971783
BaseRepresentation
bin11010110011000101111100
3111012220111221
4122303011330
53244300040
6410323124
7113466052
oct32630574
914186457
107025020
113a69002
1224294a4
1315bc722
14d0c1d2
1593b74a
hex6b317c

7025020 has 24 divisors (see below), whose sum is σ = 14835744. Its totient is φ = 2794176.

The previous prime is 7024999. The next prime is 7025027. The reversal of 7025020 is 205207.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7024985 and 7025003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7025027) 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 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (618156).

Almost surely, 27025020 is an apocalyptic number.

It is an amenable number.

7025020 is an abundant number, since it is smaller than the sum of its proper divisors (7810724).

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

7025020 is a wasteful number, since it uses less digits than its factorization.

7025020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 7025020 is about 2650.4754290504. The cubic root of 7025020 is about 191.5207593608.

The spelling of 7025020 in words is "seven million, twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1783 1970 3566 3940 7132 8915 17830 35660 351251 702502 1405004 1756255 3512510 7025020