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273930 = 23523397
BaseRepresentation
bin1000010111000001010
3111220202120
41002320022
532231210
65512110
72220426
oct1027012
9456676
10273930
11177898
12112636
13978b7
1471b86
1556270
hex42e0a

273930 has 32 divisors (see below), whose sum is σ = 687744. Its totient is φ = 69696.

The previous prime is 273929. The next prime is 273941. The reversal of 273930 is 39372.

It is a self number, because there is not a number n which added to its sum of digits gives 273930.

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 15 ways as a sum of consecutive naturals, for example, 492 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (21492).

2273930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343872).

273930 is an abundant number, since it is smaller than the sum of its proper divisors (413814).

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

273930 is a wasteful number, since it uses less digits than its factorization.

273930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 273930 is about 523.3832247980. The cubic root of 273930 is about 64.9451213325.

The spelling of 273930 in words is "two hundred seventy-three thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 397 690 794 1191 1985 2382 3970 5955 9131 11910 18262 27393 45655 54786 91310 136965 273930