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1030100 = 225210301
BaseRepresentation
bin11111011011111010100
31221100000212
43323133110
5230430400
634024552
711520131
oct3733724
91840025
101030100
11643a25
12418158
132a0b36
141cb588
15155335
hexfb7d4

1030100 has 18 divisors (see below), whose sum is σ = 2235534. Its totient is φ = 412000.

The previous prime is 1030091. The next prime is 1030111. The reversal of 1030100 is 10301.

It can be written as a sum of positive squares in 3 ways, for example, as 276676 + 753424 = 526^2 + 868^2 .

It is a super-2 number, since 2×10301002 = 2122212020000, which contains 22 as substring.

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

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, 5051 + ... + 5250.

21030100 is an apocalyptic number.

1030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030100 is an abundant number, since it is smaller than the sum of its proper divisors (1205434).

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

1030100 is a wasteful number, since it uses less digits than its factorization.

1030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10315 (or 10308 counting only the distinct ones).

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

The square root of 1030100 is about 1014.9384217774. The cubic root of 1030100 is about 100.9934315893.

Adding to 1030100 its reverse (10301), we get a palindrome (1040401).

Multiplying 1030100 by its reverse (10301), we get a square (10611060100 = 1030102).

1030100 divided by its reverse (10301) gives a square (100 = 102).

The spelling of 1030100 in words is "one million, thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10301 20602 41204 51505 103010 206020 257525 515050 1030100