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4752825 = 352711823
BaseRepresentation
bin10010001000010110111001
322221110122120
4102020112321
52204042300
6245511453
755253430
oct22102671
98843576
104752825
112756960
121712589
13ca542c
148ba117
1563d3a0
hex4885b9

4752825 has 48 divisors (see below), whose sum is σ = 9808896. Its totient is φ = 1972800.

The previous prime is 4752823. The next prime is 4752841. The reversal of 4752825 is 5282574.

It is not a de Polignac number, because 4752825 - 21 = 4752823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 77 + 58 + 211 + 87 + 220 + 58 .

It is not an unprimeable number, because it can be changed into a prime (4752821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5364 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (204352).

Almost surely, 24752825 is an apocalyptic number.

It is an amenable number.

4752825 is an abundant number, since it is smaller than the sum of its proper divisors (5056071).

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

4752825 is a wasteful number, since it uses less digits than its factorization.

4752825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 849 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 4752825 is about 2180.0974748850. The cubic root of 4752825 is about 168.1320885796.

It can be divided in two parts, 4752 and 825, that multiplied together give a square (3920400 = 19802).

The spelling of 4752825 in words is "four million, seven hundred fifty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 7 11 15 21 25 33 35 55 75 77 105 165 175 231 275 385 525 823 825 1155 1925 2469 4115 5761 5775 9053 12345 17283 20575 27159 28805 45265 61725 63371 86415 135795 144025 190113 226325 316855 432075 678975 950565 1584275 4752825