Search a number
-
+
2450920 = 23571863
BaseRepresentation
bin1001010110010111101000
311121112000211
421112113220
51111412140
6124310504
726555353
oct11262750
94545024
102450920
11142445a
129a2434
1367a764
1447b29a
153362ea
hex2565e8

2450920 has 32 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 965440.

The previous prime is 2450911. The next prime is 2450923. The reversal of 2450920 is 290542.

It is a happy number.

2450920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2450891 and 2450900.

It is not an unprimeable number, because it can be changed into a prime (2450923) 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 7 ways as a sum of consecutive naturals, for example, 2409 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (174960).

22450920 is an apocalyptic number.

2450920 is a gapful number since it is divisible by the number (20) 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 2450920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799360).

2450920 is an abundant number, since it is smaller than the sum of its proper divisors (3147800).

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

2450920 is a wasteful number, since it uses less digits than its factorization.

2450920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2450920 is about 1565.5414398859. The cubic root of 2450920 is about 134.8268470508.

The spelling of 2450920 in words is "two million, four hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 863 1420 1726 2840 3452 4315 6904 8630 17260 34520 61273 122546 245092 306365 490184 612730 1225460 2450920