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2820945552 = 243487120677
BaseRepresentation
bin1010100000100100…
…0011011010010000
321021121002212210220
42220021003122100
521234130224202
61143530353040
7126622433025
oct25011033220
97247085726
102820945552
111218394167
1266888b780
1335c581b69
141ca91754c
151179c5abc
hexa8243690

2820945552 has 40 divisors (see below), whose sum is σ = 7302467136. Its totient is φ = 938376576.

The previous prime is 2820945551. The next prime is 2820945557. The reversal of 2820945552 is 2555490282.

It is not an unprimeable number, because it can be changed into a prime (2820945551) 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 7 ways as a sum of consecutive naturals, for example, 36963 + ... + 83714.

Almost surely, 22820945552 is an apocalyptic number.

It is an amenable number.

2820945552 is an abundant number, since it is smaller than the sum of its proper divisors (4481521584).

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

2820945552 is a wasteful number, since it uses less digits than its factorization.

2820945552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121175 (or 121169 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 2820945552 is about 53112.5743303787. The cubic root of 2820945552 is about 1412.9655325317.

The spelling of 2820945552 in words is "two billion, eight hundred twenty million, nine hundred forty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 487 974 1461 1948 2922 3896 5844 7792 11688 23376 120677 241354 362031 482708 724062 965416 1448124 1930832 2896248 5792496 58769699 117539398 176309097 235078796 352618194 470157592 705236388 940315184 1410472776 2820945552