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100243103 = 891915897
BaseRepresentation
bin1011111100110…
…01011010011111
320222121212200112
411332121122133
5201130234403
613540320235
72325023642
oct576313237
9228555615
10100243103
1151648144
12296a307b
13179ca35c
14d455a59
158c019d8
hex5f9969f

100243103 has 8 divisors (see below), whose sum is σ = 101917440. Its totient is φ = 98581120.

The previous prime is 100243079. The next prime is 100243139. The reversal of 100243103 is 301342001.

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 100243103 - 224 = 83465887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100243153) 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, 14051 + ... + 19947.

It is an arithmetic number, because the mean of its divisors is an integer number (12739680).

Almost surely, 2100243103 is an apocalyptic number.

100243103 is a deficient number, since it is larger than the sum of its proper divisors (1674337).

100243103 is an equidigital number, since it uses as much as digits as its factorization.

100243103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100243103 is about 10012.1477715823. The cubic root of 100243103 is about 464.5347070361.

Adding to 100243103 its reverse (301342001), we get a palindrome (401585104).

The spelling of 100243103 in words is "one hundred million, two hundred forty-three thousand, one hundred three".

Divisors: 1 89 191 5897 16999 524833 1126327 100243103