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321130 = 25171889
BaseRepresentation
bin1001110011001101010
3121022111201
41032121222
540234010
610514414
72505145
oct1163152
9538451
10321130
111aa2a7
12135a0a
13b3224
148505c
156523a
hex4e66a

321130 has 16 divisors (see below), whose sum is σ = 612360. Its totient is φ = 120832.

The previous prime is 321109. The next prime is 321143. The reversal of 321130 is 31123.

It can be written as a sum of positive squares in 4 ways, for example, as 288369 + 32761 = 537^2 + 181^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775 + ... + 1114.

2321130 is an apocalyptic number.

321130 is a deficient number, since it is larger than the sum of its proper divisors (291230).

321130 is a wasteful number, since it uses less digits than its factorization.

321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 321130 is about 566.6833330882. The cubic root of 321130 is about 68.4794546514.

Adding to 321130 its reverse (31123), we get a palindrome (352253).

The spelling of 321130 in words is "three hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1889 3778 9445 18890 32113 64226 160565 321130