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100104221 = 722516353
BaseRepresentation
bin1011111011101…
…11100000011101
320222100211011202
411331313200131
5201111313341
613533325245
72323605020
oct575674035
9228324152
10100104221
1151562868
1229636825
131797c089
14d41b1b7
158bc579b
hex5f7781d

100104221 has 8 divisors (see below), whose sum is σ = 114473664. Its totient is φ = 85752000.

The previous prime is 100104209. The next prime is 100104229. The reversal of 100104221 is 122401001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100104221 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 (100104229) 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 7 ways as a sum of consecutive naturals, for example, 12581 + ... + 18933.

It is an arithmetic number, because the mean of its divisors is an integer number (14309208).

Almost surely, 2100104221 is an apocalyptic number.

It is an amenable number.

100104221 is a deficient number, since it is larger than the sum of its proper divisors (14369443).

100104221 is an equidigital number, since it uses as much as digits as its factorization.

100104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100104221 is about 10005.2096929550. The cubic root of 100104221 is about 464.3200777181.

Adding to 100104221 its reverse (122401001), we get a palindrome (222505222).

The spelling of 100104221 in words is "one hundred million, one hundred four thousand, two hundred twenty-one".

Divisors: 1 7 2251 6353 15757 44471 14300603 100104221