Search a number
-
+
4530020 = 2251159349
BaseRepresentation
bin10001010001111101100100
322112011000112
4101101331210
52124430040
6241032152
753335025
oct21217544
98464015
104530020
112614520
121625658
13c27bb1
1485cc4c
155e7365
hex451f64

4530020 has 48 divisors (see below), whose sum is σ = 10584000. Its totient is φ = 1614720.

The previous prime is 4530017. The next prime is 4530023. The reversal of 4530020 is 200354.

It is an interprime number because it is at equal distance from previous prime (4530017) and next prime (4530023).

It is a junction number, because it is equal to n+sod(n) for n = 4529977 and 4530004.

It is not an unprimeable number, because it can be changed into a prime (4530023) 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 15 ways as a sum of consecutive naturals, for example, 12806 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

Almost surely, 24530020 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 4530020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5292000).

4530020 is an abundant number, since it is smaller than the sum of its proper divisors (6053980).

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

4530020 is a wasteful number, since it uses less digits than its factorization.

4530020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 4530020 is about 2128.3843637839. The cubic root of 4530020 is about 165.4626744715.

Adding to 4530020 its reverse (200354), we get a palindrome (4730374).

The spelling of 4530020 in words is "four million, five hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 59 110 118 220 236 295 349 590 649 698 1180 1298 1396 1745 2596 3245 3490 3839 6490 6980 7678 12980 15356 19195 20591 38390 41182 76780 82364 102955 205910 226501 411820 453002 906004 1132505 2265010 4530020