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100223 = 315361
BaseRepresentation
bin11000011101111111
312002110222
4120131333
511201343
62051555
7565124
oct303577
9162428
10100223
1169332
1249bbb
1336806
142874b
151ea68
hex1877f

100223 has 8 divisors (see below), whose sum is σ = 107136. Its totient is φ = 93600.

The previous prime is 100213. The next prime is 100237. The reversal of 100223 is 322001.

Adding to 100223 its reverse (322001), we get a palindrome (422224).

It can be divided in two parts, 100 and 223, that added together give a palindrome (323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100223 - 24 = 100207 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (13392).

2100223 is an apocalyptic number.

100223 is a deficient number, since it is larger than the sum of its proper divisors (6913).

100223 is an equidigital number, since it uses as much as digits as its factorization.

100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 100223 is about 316.5801636237. The cubic root of 100223 is about 46.4503651980.

The spelling of 100223 in words is "one hundred thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 31 53 61 1643 1891 3233 100223