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440344148 = 22557197641
BaseRepresentation
bin11010001111110…
…001111001010100
31010200120210121112
4122033301321110
51400212003043
6111410034152
713624602116
oct3217617124
91120523545
10440344148
11206621092
12103578958
13702c898a
14426a73b6
15289d2518
hex1a3f1e54

440344148 has 12 divisors (see below), whose sum is σ = 771989652. Its totient is φ = 219775680.

The previous prime is 440344147. The next prime is 440344159. The reversal of 440344148 is 841443044.

It can be written as a sum of positive squares in 2 ways, for example, as 86452804 + 353891344 = 9298^2 + 18812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440344147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96593 + ... + 101048.

It is an arithmetic number, because the mean of its divisors is an integer number (64332471).

Almost surely, 2440344148 is an apocalyptic number.

It is an amenable number.

440344148 is a deficient number, since it is larger than the sum of its proper divisors (331645504).

440344148 is a wasteful number, since it uses less digits than its factorization.

440344148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198202 (or 198200 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 440344148 is about 20984.3786660458. The cubic root of 440344148 is about 760.7887402446.

The spelling of 440344148 in words is "four hundred forty million, three hundred forty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 557 1114 2228 197641 395282 790564 110086037 220172074 440344148