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3020452240 = 245132904281
BaseRepresentation
bin1011010000001000…
…0111000110010000
321210111111212112111
42310002013012100
522141213432430
61215414435104
7134564264131
oct26402070620
97714455474
103020452240
11130aa6a523
12703662a94
133919c5760
1420920bc88
1512a283c2a
hexb4087190

3020452240 has 40 divisors (see below), whose sum is σ = 7562750328. Its totient is φ = 1115243520.

The previous prime is 3020452229. The next prime is 3020452261. The reversal of 3020452240 is 422540203.

It can be written as a sum of positive squares in 4 ways, for example, as 86713344 + 2933738896 = 9312^2 + 54164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 1451101 + ... + 1453180.

Almost surely, 23020452240 is an apocalyptic number.

It is an amenable number.

3020452240 is an abundant number, since it is smaller than the sum of its proper divisors (4542298088).

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

3020452240 is a wasteful number, since it uses less digits than its factorization.

3020452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904307 (or 2904301 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3020452240 is about 54958.6411767977. The cubic root of 3020452240 is about 1445.5196209152.

Adding to 3020452240 its reverse (422540203), we get a palindrome (3442992443).

The spelling of 3020452240 in words is "three billion, twenty million, four hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2904281 5808562 11617124 14521405 23234248 29042810 37755653 46468496 58085620 75511306 116171240 151022612 188778265 232342480 302045224 377556530 604090448 755113060 1510226120 3020452240