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100420103 = 731345833
BaseRepresentation
bin1011111110001…
…00101000000111
320222221212111002
411333010220013
5201201420403
613544203515
72326361660
oct577045007
9228855432
10100420103
1151759123
122976959b
1317a5caa4
14d4a0367
158c39188
hex5fc4a07

100420103 has 8 divisors (see below), whose sum is σ = 115135008. Its totient is φ = 85797504.

The previous prime is 100420097. The next prime is 100420141. The reversal of 100420103 is 301024001.

It is a happy number.

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 100420103 - 26 = 100420039 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 (100420163) 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, 20726 + ... + 25107.

It is an arithmetic number, because the mean of its divisors is an integer number (14391876).

Almost surely, 2100420103 is an apocalyptic number.

100420103 is a deficient number, since it is larger than the sum of its proper divisors (14714905).

100420103 is an equidigital number, since it uses as much as digits as its factorization.

100420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46153.

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

The square root of 100420103 is about 10020.9831354014. The cubic root of 100420103 is about 464.8079570799.

Adding to 100420103 its reverse (301024001), we get a palindrome (401444104).

The spelling of 100420103 in words is "one hundred million, four hundred twenty thousand, one hundred three".

Divisors: 1 7 313 2191 45833 320831 14345729 100420103