Search a number
-
+
4751900 = 2252194161
BaseRepresentation
bin10010001000001000011100
322221102101022
4102020020130
52204030100
6245503312
755250636
oct22101034
98842338
104751900
11275619a
121711b38
13ca4b9a
148b9a56
1563ce85
hex48821c

4751900 has 72 divisors (see below), whose sum is σ = 11301360. Its totient is φ = 1728000.

The previous prime is 4751893. The next prime is 4751909. The reversal of 4751900 is 91574.

It is a super-2 number, since 2×47519002 = 45161107220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4751900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4751909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77870 + ... + 77930.

Almost surely, 24751900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4751900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5650680).

4751900 is an abundant number, since it is smaller than the sum of its proper divisors (6549460).

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

4751900 is a wasteful number, since it uses less digits than its factorization.

4751900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 4751900 is about 2179.8853180844. The cubic root of 4751900 is about 168.1211805216.

It can be divided in two parts, 475 and 1900, that multiplied together give a square (902500 = 9502).

The spelling of 4751900 in words is "four million, seven hundred fifty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 19 20 25 38 41 50 61 76 82 95 100 122 164 190 205 244 305 380 410 475 610 779 820 950 1025 1159 1220 1525 1558 1900 2050 2318 2501 3050 3116 3895 4100 4636 5002 5795 6100 7790 10004 11590 12505 15580 19475 23180 25010 28975 38950 47519 50020 57950 62525 77900 95038 115900 125050 190076 237595 250100 475190 950380 1187975 2375950 4751900