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2105525442 = 231632578377
BaseRepresentation
bin111110101111111…
…1100010011000010
312102201220202220210
41331133330103002
513303003303232
6544532414550
7103114446066
oct17537742302
95381822823
102105525442
11990572479
124a9177456
132772a3b57
1415d8c7aa6
15c4ca95cc
hex7d7fc4c2

2105525442 has 32 divisors (see below), whose sum is σ = 4253879232. Its totient is φ = 694738944.

The previous prime is 2105525437. The next prime is 2105525453. The reversal of 2105525442 is 2445255012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247158 + ... + 255534.

It is an arithmetic number, because the mean of its divisors is an integer number (132933726).

Almost surely, 22105525442 is an apocalyptic number.

2105525442 is an abundant number, since it is smaller than the sum of its proper divisors (2148353790).

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

2105525442 is a wasteful number, since it uses less digits than its factorization.

2105525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8802.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2105525442 is about 45886.0048598699. The cubic root of 2105525442 is about 1281.7013188172.

The spelling of 2105525442 in words is "two billion, one hundred five million, five hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 163 257 326 489 514 771 978 1542 8377 16754 25131 41891 50262 83782 125673 251346 1365451 2152889 2730902 4096353 4305778 6458667 8192706 12917334 350920907 701841814 1052762721 2105525442