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4957780 = 225247889
BaseRepresentation
bin10010111010011001010100
3100022212210111
4102322121110
52232122110
6254132404
760066112
oct22723124
910285714
104957780
112886943
1217b1104
1310477c9
14930ab2
1567de8a
hex4ba654

4957780 has 12 divisors (see below), whose sum is σ = 10411380. Its totient is φ = 1983104.

The previous prime is 4957769. The next prime is 4957781. The reversal of 4957780 is 877594.

It can be written as a sum of positive squares in 2 ways, for example, as 1674436 + 3283344 = 1294^2 + 1812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4957781) 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 3 ways as a sum of consecutive naturals, for example, 123925 + ... + 123964.

It is an arithmetic number, because the mean of its divisors is an integer number (867615).

Almost surely, 24957780 is an apocalyptic number.

It is an amenable number.

4957780 is an abundant number, since it is smaller than the sum of its proper divisors (5453600).

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

4957780 is a wasteful number, since it uses less digits than its factorization.

4957780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247898 (or 247896 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4957780 is about 2226.6072846373. The cubic root of 4957780 is about 170.5149323443.

The spelling of 4957780 in words is "four million, nine hundred fifty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 247889 495778 991556 1239445 2478890 4957780