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4251140 = 225212557
BaseRepresentation
bin10000001101111000000100
321222222110122
4100031320010
52042014030
6231041112
751063665
oct20157004
97888418
104251140
112443a43
121510198
13b5ac8a
147c936c
1558e8e5
hex40de04

4251140 has 12 divisors (see below), whose sum is σ = 8927436. Its totient is φ = 1700448.

The previous prime is 4251131. The next prime is 4251157. The reversal of 4251140 is 411524.

It can be written as a sum of positive squares in 2 ways, for example, as 3356224 + 894916 = 1832^2 + 946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106259 + ... + 106298.

It is an arithmetic number, because the mean of its divisors is an integer number (743953).

Almost surely, 24251140 is an apocalyptic number.

It is an amenable number.

4251140 is an abundant number, since it is smaller than the sum of its proper divisors (4676296).

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

4251140 is a wasteful number, since it uses less digits than its factorization.

4251140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212566 (or 212564 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4251140 is about 2061.8292848827. The cubic root of 4251140 is about 161.9950717395.

Adding to 4251140 its reverse (411524), we get a palindrome (4662664).

The spelling of 4251140 in words is "four million, two hundred fifty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 212557 425114 850228 1062785 2125570 4251140