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7025985 = 325433631
BaseRepresentation
bin11010110011010101000001
3111012221211200
4122303111001
53244312420
6410331413
7113501631
oct32632501
914187750
107025985
113a697aa
122429b69
1315bccb5
14d0c6c1
1593bb90
hex6b3541

7025985 has 24 divisors (see below), whose sum is σ = 12465024. Its totient is φ = 3659040.

The previous prime is 7025969. The next prime is 7025987. The reversal of 7025985 is 5895207.

It is not a de Polignac number, because 7025985 - 24 = 7025969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7025987) 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 23 ways as a sum of consecutive naturals, for example, 120 + ... + 3750.

It is an arithmetic number, because the mean of its divisors is an integer number (519376).

Almost surely, 27025985 is an apocalyptic number.

It is an amenable number.

7025985 is a deficient number, since it is larger than the sum of its proper divisors (5439039).

7025985 is a wasteful number, since it uses less digits than its factorization.

7025985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3682 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 7025985 is about 2650.6574656111. The cubic root of 7025985 is about 191.5295284495.

The spelling of 7025985 in words is "seven million, twenty-five thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 43 45 129 215 387 645 1935 3631 10893 18155 32679 54465 156133 163395 468399 780665 1405197 2341995 7025985