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100617005 = 520123401
BaseRepresentation
bin1011111111101…
…00101100101101
321000022212120202
411333310230231
5201224221010
613552323245
72331142016
oct577645455
9230285522
10100617005
1151883055
1229843525
1317acb5b8
14d51200d
158c776a5
hex5ff4b2d

100617005 has 4 divisors (see below), whose sum is σ = 120740412. Its totient is φ = 80493600.

The previous prime is 100616983. The next prime is 100617043. The reversal of 100617005 is 500716001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 73222249 = 5234^2 + 8557^2 .

It is not a de Polignac number, because 100617005 - 28 = 100616749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10061696 + ... + 10061705.

It is an arithmetic number, because the mean of its divisors is an integer number (30185103).

Almost surely, 2100617005 is an apocalyptic number.

It is an amenable number.

100617005 is a deficient number, since it is larger than the sum of its proper divisors (20123407).

100617005 is an equidigital number, since it uses as much as digits as its factorization.

100617005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20123406.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 100617005 is about 10030.8028093468. The cubic root of 100617005 is about 465.1115545360. Note that the first 3 decimals are identical.

The spelling of 100617005 in words is "one hundred million, six hundred seventeen thousand, five".

Divisors: 1 5 20123401 100617005