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2047986 = 232113777
BaseRepresentation
bin111110011111111110010
310212001022100
413303333302
51011013421
6111521230
723256543
oct7637762
93761270
102047986
111179756
12829216
13569235
143b44ca
152a6c26
hex1f3ff2

2047986 has 12 divisors (see below), whose sum is σ = 4437342. Its totient is φ = 682656.

The previous prime is 2047967. The next prime is 2047993. The reversal of 2047986 is 6897402.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 225 = 1431^2 + 15^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2047986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56871 + ... + 56906.

22047986 is an apocalyptic number.

2047986 is an abundant number, since it is smaller than the sum of its proper divisors (2389356).

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

2047986 is a wasteful number, since it uses less digits than its factorization.

2047986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113785 (or 113782 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2047986 is about 1431.0786141928. The cubic root of 2047986 is about 126.9917947868.

The spelling of 2047986 in words is "two million, forty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 113777 227554 341331 682662 1023993 2047986