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3020438540 = 225724189521
BaseRepresentation
bin1011010000001000…
…0011110000001100
321210111111011202002
42310002003300030
522141213013130
61215414251432
7134564206160
oct26402036014
97714434662
103020438540
11130aa601a9
12703656b78
133919bc452
14209206ca0
1512a27eb45
hexb4083c0c

3020438540 has 48 divisors (see below), whose sum is σ = 7279212864. Its totient is φ = 1031270400.

The previous prime is 3020438527. The next prime is 3020438543. The reversal of 3020438540 is 458340203.

It is not an unprimeable number, because it can be changed into a prime (3020438543) 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 15 ways as a sum of consecutive naturals, for example, 11021 + ... + 78500.

It is an arithmetic number, because the mean of its divisors is an integer number (151650268).

Almost surely, 23020438540 is an apocalyptic number.

It is an amenable number.

3020438540 is an abundant number, since it is smaller than the sum of its proper divisors (4258774324).

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

3020438540 is a wasteful number, since it uses less digits than its factorization.

3020438540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89778 (or 89776 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3020438540 is about 54958.5165374758. The cubic root of 3020438540 is about 1445.5174354092.

Adding to 3020438540 its reverse (458340203), we get a palindrome (3478778743).

The spelling of 3020438540 in words is "three billion, twenty million, four hundred thirty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 241 482 964 1205 1687 2410 3374 4820 6748 8435 16870 33740 89521 179042 358084 447605 626647 895210 1253294 1790420 2506588 3133235 6266470 12532940 21574561 43149122 86298244 107872805 151021927 215745610 302043854 431491220 604087708 755109635 1510219270 3020438540