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102813005 = 548742223
BaseRepresentation
bin1100010000011…
…00110101001101
321011110102221002
412020030311031
5202310004010
614111350045
72355616241
oct610146515
9234412832
10102813005
1153042a29
122a522325
13183b9cc9
14d924421
15905d1a5
hex620cd4d

102813005 has 8 divisors (see below), whose sum is σ = 123631872. Its totient is φ = 82079568.

The previous prime is 102813001. The next prime is 102813023. The reversal of 102813005 is 500318201.

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 102813005 - 22 = 102813001 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 (102813001) 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, 18677 + ... + 23546.

It is an arithmetic number, because the mean of its divisors is an integer number (15453984).

Almost surely, 2102813005 is an apocalyptic number.

It is an amenable number.

102813005 is a deficient number, since it is larger than the sum of its proper divisors (20818867).

102813005 is an equidigital number, since it uses as much as digits as its factorization.

102813005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42715.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102813005 is about 10139.6747975465. The cubic root of 102813005 is about 468.4709704110.

The spelling of 102813005 in words is "one hundred two million, eight hundred thirteen thousand, five".

Divisors: 1 5 487 2435 42223 211115 20562601 102813005