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100799005 = 597207833
BaseRepresentation
bin1100000001000…
…01001000011101
321000200010020111
412000201020131
5201301032010
614000250021
72332530436
oct600411035
9230603214
10100799005
115199786a
1229910911
1317b633a8
14d55c48d
158cb158a
hex602121d

100799005 has 8 divisors (see below), whose sum is σ = 122206392. Its totient is φ = 79807488.

The previous prime is 100799003. The next prime is 100799071. The reversal of 100799005 is 500997001.

It can be written as a sum of positive squares in 4 ways, for example, as 11042329 + 89756676 = 3323^2 + 9474^2 .

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 100799005 - 21 = 100799003 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 (100799003) 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, 103432 + ... + 104401.

It is an arithmetic number, because the mean of its divisors is an integer number (15275799).

Almost surely, 2100799005 is an apocalyptic number.

It is an amenable number.

100799005 is a deficient number, since it is larger than the sum of its proper divisors (21407387).

100799005 is an equidigital number, since it uses as much as digits as its factorization.

100799005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207935.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 100799005 is about 10039.8707661005. The cubic root of 100799005 is about 465.3918229809.

The spelling of 100799005 in words is "one hundred million, seven hundred ninety-nine thousand, five".

Divisors: 1 5 97 485 207833 1039165 20159801 100799005