Search a number
-
+
4576820 = 225228841
BaseRepresentation
bin10001011101011000110100
322121112012212
4101131120310
52132424240
6242032552
753621333
oct21353064
98545185
104576820
1126466a6
121648758
13c432a1
14871d1a
15606165
hex45d634

4576820 has 12 divisors (see below), whose sum is σ = 9611364. Its totient is φ = 1830720.

The previous prime is 4576799. The next prime is 4576841. The reversal of 4576820 is 286754.

It is an interprime number because it is at equal distance from previous prime (4576799) and next prime (4576841).

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 3083536 = 1222^2 + 1756^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 114401 + ... + 114440.

It is an arithmetic number, because the mean of its divisors is an integer number (800947).

Almost surely, 24576820 is an apocalyptic number.

It is an amenable number.

4576820 is an abundant number, since it is smaller than the sum of its proper divisors (5034544).

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

4576820 is a wasteful number, since it uses less digits than its factorization.

4576820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228850 (or 228848 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4576820 is about 2139.3503686867. The cubic root of 4576820 is about 166.0305261517.

The spelling of 4576820 in words is "four million, five hundred seventy-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 228841 457682 915364 1144205 2288410 4576820