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100230 = 23513257
BaseRepresentation
bin11000011110000110
312002111020
4120132012
511201410
62052010
7565134
oct303606
9162436
10100230
1169339
124a006
1336810
1428754
151ea70
hex18786

100230 has 32 divisors (see below), whose sum is σ = 260064. Its totient is φ = 24576.

The previous prime is 100213. The next prime is 100237. The reversal of 100230 is 32001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262 + ... + 518.

It is an arithmetic number, because the mean of its divisors is an integer number (8127).

2100230 is an apocalyptic number.

100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130032).

100230 is an abundant number, since it is smaller than the sum of its proper divisors (159834).

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

100230 is a wasteful number, since it uses less digits than its factorization.

100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 100230 is about 316.5912190823. The cubic root of 100230 is about 46.4514466031.

Adding to 100230 its reverse (32001), we get a palindrome (132231).

The spelling of 100230 in words is "one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 257 390 514 771 1285 1542 2570 3341 3855 6682 7710 10023 16705 20046 33410 50115 100230