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2130867 = 363779
BaseRepresentation
bin1000001000001110110011
311000021000000
420020032303
51021141432
6113401043
724053304
oct10101663
94007000
102130867
111225a52
12869183
13597b8b
143d67ab
152c157c
hex2083b3

2130867 has 28 divisors (see below), whose sum is σ = 3322720. Its totient is φ = 1364688.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130867 is 7680312.

It is not a de Polignac number, because 2130867 - 26 = 2130803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130867.

It is not an unprimeable number, because it can be changed into a prime (2130857) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 26934 + ... + 27012.

22130867 is an apocalyptic number.

2130867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2130867 is a deficient number, since it is larger than the sum of its proper divisors (1191853).

2130867 is an frugal number, since it uses more digits than its factorization.

2130867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2130867 is about 1459.7489510186. The cubic root of 2130867 is about 128.6822900958.

The spelling of 2130867 in words is "two million, one hundred thirty thousand, eight hundred sixty-seven".

Divisors: 1 3 9 27 37 79 81 111 237 243 333 711 729 999 2133 2923 2997 6399 8769 8991 19197 26307 26973 57591 78921 236763 710289 2130867