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100240103 = 112389261
BaseRepresentation
bin1011111100110…
…00101011100111
320222121201120102
411332120223213
5201130140403
613540254315
72325012125
oct576305347
9228551512
10100240103
1151645967
12296a139b
13179c8b92
14d454915
158c00b88
hex5f98ae7

100240103 has 4 divisors (see below), whose sum is σ = 100330488. Its totient is φ = 100149720.

The previous prime is 100240087. The next prime is 100240117. The reversal of 100240103 is 301042001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100240103 - 24 = 100240087 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 (100240163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43508 + ... + 45753.

It is an arithmetic number, because the mean of its divisors is an integer number (25082622).

Almost surely, 2100240103 is an apocalyptic number.

100240103 is a deficient number, since it is larger than the sum of its proper divisors (90385).

100240103 is an equidigital number, since it uses as much as digits as its factorization.

100240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90384.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100240103 is about 10011.9979524568. The cubic root of 100240103 is about 464.5300729084.

Adding to 100240103 its reverse (301042001), we get a palindrome (401282104).

The spelling of 100240103 in words is "one hundred million, two hundred forty thousand, one hundred three".

Divisors: 1 1123 89261 100240103