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2107986 = 23409859
BaseRepresentation
bin1000000010101001010010
310222002121120
420002221102
51014423421
6113103110
723626506
oct10025122
93862546
102107986
11120a841
12857a96
1358a63a
143cc306
152b98c6
hex202a52

2107986 has 16 divisors (see below), whose sum is σ = 4231200. Its totient is φ = 700128.

The previous prime is 2107979. The next prime is 2107999. The reversal of 2107986 is 6897012.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (264450).

22107986 is an apocalyptic number.

2107986 is an abundant number, since it is smaller than the sum of its proper divisors (2123214).

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

2107986 is a wasteful number, since it uses less digits than its factorization.

2107986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2107986 is about 1451.8904917383. The cubic root of 2107986 is about 128.2200398156.

The spelling of 2107986 in words is "two million, one hundred seven thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 409 818 859 1227 1718 2454 2577 5154 351331 702662 1053993 2107986