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2090281992 = 23387095083
BaseRepresentation
bin111110010010111…
…0010110000001000
312101200020022211120
41330211302300020
513240103010432
6543225555240
7102541050411
oct17445626010
95350208746
102090281992
11982a00887
124a4045b20
13274097766
1415b87a808
15c3797c2c
hex7c972c08

2090281992 has 16 divisors (see below), whose sum is σ = 5225705040. Its totient is φ = 696760656.

The previous prime is 2090281933. The next prime is 2090281993. The reversal of 2090281992 is 2991820902.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2090281993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43547518 + ... + 43547565.

It is an arithmetic number, because the mean of its divisors is an integer number (326606565).

Almost surely, 22090281992 is an apocalyptic number.

It is an amenable number.

2090281992 is an abundant number, since it is smaller than the sum of its proper divisors (3135423048).

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

2090281992 is a wasteful number, since it uses less digits than its factorization.

2090281992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87095092 (or 87095088 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 2090281992 is about 45719.6018355366. The cubic root of 2090281992 is about 1278.6007642730.

The spelling of 2090281992 in words is "two billion, ninety million, two hundred eighty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 87095083 174190166 261285249 348380332 522570498 696760664 1045140996 2090281992