Search a number
-
+
4774890 = 235198377
BaseRepresentation
bin10010001101101111101010
322222120220210
4102031233222
52210244030
6250201550
755404651
oct22155752
98876823
104774890
11277149a
1217232b6
13cb24a3
148c4198
15644bb0
hex48dbea

4774890 has 32 divisors (see below), whose sum is σ = 12064320. Its totient is φ = 1206144.

The previous prime is 4774883. The next prime is 4774921. The reversal of 4774890 is 984774.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3619 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (377010).

Almost surely, 24774890 is an apocalyptic number.

4774890 is an abundant number, since it is smaller than the sum of its proper divisors (7289430).

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

4774890 is a wasteful number, since it uses less digits than its factorization.

4774890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 4774890 is about 2185.1521686144. The cubic root of 4774890 is about 168.3918715034.

The spelling of 4774890 in words is "four million, seven hundred seventy-four thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 8377 16754 25131 41885 50262 83770 125655 159163 251310 318326 477489 795815 954978 1591630 2387445 4774890