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300980 = 225101149
BaseRepresentation
bin1001001011110110100
3120021212102
41021132310
534112410
610241232
72362331
oct1113664
9507772
10300980
11196149
12126218
13a6cc4
147b988
155e2a5
hex497b4

300980 has 24 divisors (see below), whose sum is σ = 642600. Its totient is φ = 118400.

The previous prime is 300977. The next prime is 300997. The reversal of 300980 is 89003.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 256036 = 212^2 + 506^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1946 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (26775).

2300980 is an apocalyptic number.

It is an amenable number.

300980 is an abundant number, since it is smaller than the sum of its proper divisors (341620).

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

300980 is a wasteful number, since it uses less digits than its factorization.

300980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 300980 is about 548.6164416056. The cubic root of 300980 is about 67.0161095888.

Adding to 300980 its reverse (89003), we get a palindrome (389983).

The spelling of 300980 in words is "three hundred thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 101 149 202 298 404 505 596 745 1010 1490 2020 2980 15049 30098 60196 75245 150490 300980