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2855729442 = 231087437861
BaseRepresentation
bin1010101000110110…
…1111100100100010
321101000120002100010
42222031233210202
521322031320232
61151212105350
7130524204546
oct25215574442
97330502303
102855729442
111235a91885
12678465256
13366840447
141d13ada26
1511aa970cc
hexaa36f922

2855729442 has 16 divisors (see below), whose sum is σ = 5716726272. Its totient is φ = 951031920.

The previous prime is 2855729369. The next prime is 2855729453. The reversal of 2855729442 is 2449275582.

2855729442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2855729391 and 2855729400.

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, 212409 + ... + 225452.

It is an arithmetic number, because the mean of its divisors is an integer number (357295392).

Almost surely, 22855729442 is an apocalyptic number.

2855729442 is an abundant number, since it is smaller than the sum of its proper divisors (2860996830).

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

2855729442 is a wasteful number, since it uses less digits than its factorization.

2855729442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438953.

The product of its digits is 1612800, while the sum is 48.

The square root of 2855729442 is about 53439.0254589284. The cubic root of 2855729442 is about 1418.7493852339.

The spelling of 2855729442 in words is "two billion, eight hundred fifty-five million, seven hundred twenty-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 1087 2174 3261 6522 437861 875722 1313583 2627166 475954907 951909814 1427864721 2855729442