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3001144520 = 235116820783
BaseRepresentation
bin1011001011100001…
…1101010011001000
321202011011221022202
42302320131103020
522121243111040
61213444535332
7134241210323
oct26270352310
97664157282
103001144520
111300082330
126b90b1548
1338a9c547a
142068237ba
1512871d015
hexb2e1d4c8

3001144520 has 32 divisors (see below), whose sum is σ = 7366446720. Its totient is φ = 1091325120.

The previous prime is 3001144519. The next prime is 3001144541. The reversal of 3001144520 is 254411003.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3001144492 and 3001144501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409952 + ... + 3410831.

It is an arithmetic number, because the mean of its divisors is an integer number (230201460).

Almost surely, 23001144520 is an apocalyptic number.

It is an amenable number.

3001144520 is an abundant number, since it is smaller than the sum of its proper divisors (4365302200).

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

3001144520 is a wasteful number, since it uses less digits than its factorization.

3001144520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820805 (or 6820801 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3001144520 is about 54782.7027445708. The cubic root of 3001144520 is about 1442.4329562638.

Adding to 3001144520 its reverse (254411003), we get a palindrome (3255555523).

The spelling of 3001144520 in words is "three billion, one million, one hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 6820783 13641566 27283132 34103915 54566264 68207830 75028613 136415660 150057226 272831320 300114452 375143065 600228904 750286130 1500572260 3001144520