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205389096 = 23311777989
BaseRepresentation
bin11000011110111…
…11110100101000
3112022110211212120
430033133310220
5410034422341
632214111240
75042531013
oct1417376450
9468424776
10205389096
11a5a33960
125894b520
1333723213
141d3c637a
1513071066
hexc3dfd28

205389096 has 32 divisors (see below), whose sum is σ = 560152800. Its totient is φ = 62239040.

The previous prime is 205389073. The next prime is 205389097. The reversal of 205389096 is 690983502.

It is not an unprimeable number, because it can be changed into a prime (205389097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388731 + ... + 389258.

It is an arithmetic number, because the mean of its divisors is an integer number (17504775).

Almost surely, 2205389096 is an apocalyptic number.

It is an amenable number.

205389096 is an abundant number, since it is smaller than the sum of its proper divisors (354763704).

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

205389096 is a wasteful number, since it uses less digits than its factorization.

205389096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778009 (or 778005 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 205389096 is about 14331.4024435852. The cubic root of 205389096 is about 590.0096675616.

The spelling of 205389096 in words is "two hundred five million, three hundred eighty-nine thousand, ninety-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 777989 1555978 2333967 3111956 4667934 6223912 8557879 9335868 17115758 18671736 25673637 34231516 51347274 68463032 102694548 205389096