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4739985 = 33535111
BaseRepresentation
bin10010000101001110010001
322220211001000
4102011032101
52203134420
6245332213
755201125
oct22051621
98824030
104739985
112748248
121707069
13c9c633
148b5585
15639690
hex485391

4739985 has 16 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 2527920.

The previous prime is 4739947. The next prime is 4739989. The reversal of 4739985 is 5899374.

It is not a de Polignac number, because 4739985 - 27 = 4739857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4739985.

It is not an unprimeable number, because it can be changed into a prime (4739989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17421 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 24739985 is an apocalyptic number.

4739985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4739985 is a deficient number, since it is larger than the sum of its proper divisors (3686895).

4739985 is a wasteful number, since it uses less digits than its factorization.

4739985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35125 (or 35119 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 4739985 is about 2177.1506608409. The cubic root of 4739985 is about 167.9805462168.

The spelling of 4739985 in words is "four million, seven hundred thirty-nine thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 35111 105333 175555 315999 526665 947997 1579995 4739985