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4541985 = 325714419
BaseRepresentation
bin10001010100111000100001
322112202102200
4101110320201
52130320420
6241203413
753414640
oct21247041
98482380
104541985
112622508
121630569
13c30486
14863357
155eab90
hex454e21

4541985 has 24 divisors (see below), whose sum is σ = 8998080. Its totient is φ = 2076192.

The previous prime is 4541981. The next prime is 4541989. The reversal of 4541985 is 5891454.

It is an interprime number because it is at equal distance from previous prime (4541981) and next prime (4541989).

It is not a de Polignac number, because 4541985 - 22 = 4541981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4541981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6895 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (374920).

Almost surely, 24541985 is an apocalyptic number.

4541985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4541985 is a deficient number, since it is larger than the sum of its proper divisors (4456095).

4541985 is a wasteful number, since it uses less digits than its factorization.

4541985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437 (or 14434 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4541985 is about 2131.1933276923. The cubic root of 4541985 is about 165.6082235292.

The spelling of 4541985 in words is "four million, five hundred forty-one thousand, nine hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 14419 43257 72095 100933 129771 216285 302799 504665 648855 908397 1513995 4541985