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83552020 = 22510739043
BaseRepresentation
bin1001111101011…
…10011100010100
312211012212211021
410332232130110
5132342131040
612142450524
72033115616
oct476563424
9184185737
1083552020
1143187962
1223b93a44
1314405086
14b14cdb6
15750624a
hex4fae714

83552020 has 24 divisors (see below), whose sum is σ = 177103584. Its totient is φ = 33107616.

The previous prime is 83552011. The next prime is 83552039. The reversal of 83552020 is 2025538.

It is a congruent number.

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, 17382 + ... + 21661.

It is an arithmetic number, because the mean of its divisors is an integer number (7379316).

Almost surely, 283552020 is an apocalyptic number.

It is an amenable number.

83552020 is an abundant number, since it is smaller than the sum of its proper divisors (93551564).

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

83552020 is a wasteful number, since it uses less digits than its factorization.

83552020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39159 (or 39157 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 83552020 is about 9140.6794058210. The cubic root of 83552020 is about 437.1719794305.

Adding to 83552020 its reverse (2025538), we get a palindrome (85577558).

The spelling of 83552020 in words is "eighty-three million, five hundred fifty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 39043 78086 156172 195215 390430 780860 4177601 8355202 16710404 20888005 41776010 83552020