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2280933 = 33233673
BaseRepresentation
bin1000101100110111100101
311021212212000
420230313211
51040442213
6120515513
725246644
oct10546745
94255760
102280933
111318776
1291bb99
1361b285
1443535b
15300c73
hex22cde5

2280933 has 16 divisors (see below), whose sum is σ = 3527040. Its totient is φ = 1454112.

The previous prime is 2280917. The next prime is 2280947. The reversal of 2280933 is 3390822.

It is not a de Polignac number, because 2280933 - 24 = 2280917 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 220 + 220 + 82 + 0 + 9 + 38 + 311 .

It is a junction number, because it is equal to n+sod(n) for n = 2280897 and 2280906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (220440).

22280933 is an apocalyptic number.

2280933 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2280933 is a deficient number, since it is larger than the sum of its proper divisors (1246107).

2280933 is a wasteful number, since it uses less digits than its factorization.

2280933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2280933 is about 1510.2758026268. The cubic root of 2280933 is about 131.6348378618.

The spelling of 2280933 in words is "two million, two hundred eighty thousand, nine hundred thirty-three".

Divisors: 1 3 9 23 27 69 207 621 3673 11019 33057 84479 99171 253437 760311 2280933