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100930 = 2510093
BaseRepresentation
bin11000101001000010
312010110011
4120221002
511212210
62055134
7600154
oct305102
9163404
10100930
1169915
124a4aa
1336c2b
1428ad4
151ed8a
hex18a42

100930 has 8 divisors (see below), whose sum is σ = 181692. Its totient is φ = 40368.

The previous prime is 100927. The next prime is 100931. The reversal of 100930 is 39001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100489 + 441 = 317^2 + 21^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 100930.

It is not an unprimeable number, because it can be changed into a prime (100931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5037 + ... + 5056.

2100930 is an apocalyptic number.

100930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100930 is a deficient number, since it is larger than the sum of its proper divisors (80762).

100930 is a wasteful number, since it uses less digits than its factorization.

100930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 100930 is about 317.6948221171. The cubic root of 100930 is about 46.5593338237.

Adding to 100930 its reverse (39001), we get a palindrome (139931).

The spelling of 100930 in words is "one hundred thousand, nine hundred thirty".

Divisors: 1 2 5 10 10093 20186 50465 100930