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100030 = 2571429
BaseRepresentation
bin11000011010111110
312002012211
4120122332
511200110
62051034
7564430
oct303276
9162184
10100030
1169177
1249a7a
13366b8
1428650
151e98a
hex186be

100030 has 16 divisors (see below), whose sum is σ = 205920. Its totient is φ = 34272.

The previous prime is 100019. The next prime is 100043. The reversal of 100030 is 30001.

It is a happy number.

100030 is a modest number, since divided by 30 gives 10 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 99992 and 100019.

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, 645 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (12870).

2100030 is an apocalyptic number.

100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100030 is an abundant number, since it is smaller than the sum of its proper divisors (105890).

It is a weird number, because it is abundant, but not a pseudoperfect number.

100030 is a wasteful number, since it uses less digits than its factorization.

100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 100030 is about 316.2751966247. The cubic root of 100030 is about 46.4205294609.

Adding to 100030 its reverse (30001), we get a palindrome (130031).

The spelling of 100030 in words is "one hundred thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1429 2858 7145 10003 14290 20006 50015 100030