Search a number
-
+
4870240 = 25561499
BaseRepresentation
bin10010100101000001100000
3100011102201021
4102211001200
52221321430
6252215224
756252644
oct22450140
910142637
104870240
1128270a1
12176a514
1310169cb
1490ac24
1566307a
hex4a5060

4870240 has 48 divisors (see below), whose sum is σ = 11718000. Its totient is φ = 1912320.

The previous prime is 4870219. The next prime is 4870241. The reversal of 4870240 is 420784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4870241) 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 7 ways as a sum of consecutive naturals, for example, 9511 + ... + 10009.

It is an arithmetic number, because the mean of its divisors is an integer number (244125).

Almost surely, 24870240 is an apocalyptic number.

4870240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4870240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5859000).

4870240 is an abundant number, since it is smaller than the sum of its proper divisors (6847760).

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

4870240 is a wasteful number, since it uses less digits than its factorization.

4870240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4870240 is about 2206.8620255920. The cubic root of 4870240 is about 169.5053672854.

The spelling of 4870240 in words is "four million, eight hundred seventy thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 80 122 160 244 305 488 499 610 976 998 1220 1952 1996 2440 2495 3992 4880 4990 7984 9760 9980 15968 19960 30439 39920 60878 79840 121756 152195 243512 304390 487024 608780 974048 1217560 2435120 4870240