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130100 = 22521301
BaseRepresentation
bin11111110000110100
320121110112
4133300310
513130400
62442152
71051205
oct376064
9217415
10130100
1189823
1263358
13472a9
14355ac
1528835
hex1fc34

130100 has 18 divisors (see below), whose sum is σ = 282534. Its totient is φ = 52000.

The previous prime is 130099. The next prime is 130121. The reversal of 130100 is 1031.

Adding to 130100 its reverse (1031), we get a palindrome (131131).

It can be written as a sum of positive squares in 3 ways, for example, as 1936 + 128164 = 44^2 + 358^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551 + ... + 750.

2130100 is an apocalyptic number.

130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130100 is an abundant number, since it is smaller than the sum of its proper divisors (152434).

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

130100 is a wasteful number, since it uses less digits than its factorization.

130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 130100 is about 360.6937759374. The cubic root of 130100 is about 50.6709560850.

The spelling of 130100 in words is "one hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1301 2602 5204 6505 13010 26020 32525 65050 130100