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102197001 = 334065667
BaseRepresentation
bin1100001011101…
…10011100001001
321010022010221010
412011312130021
5202130301001
614050234133
72350442304
oct605663411
9233263833
10102197001
1152762135
122a285949
13182327ca
14d803b3b
158e8a8d6
hex6176709

102197001 has 4 divisors (see below), whose sum is σ = 136262672. Its totient is φ = 68131332.

The previous prime is 102196993. The next prime is 102197003. The reversal of 102197001 is 100791201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102197001 - 23 = 102196993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102197003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17032831 + ... + 17032836.

It is an arithmetic number, because the mean of its divisors is an integer number (34065668).

Almost surely, 2102197001 is an apocalyptic number.

It is an amenable number.

102197001 is a deficient number, since it is larger than the sum of its proper divisors (34065671).

102197001 is an equidigital number, since it uses as much as digits as its factorization.

102197001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065670.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 102197001 is about 10109.2532365155. The cubic root of 102197001 is about 467.5334811637.

The spelling of 102197001 in words is "one hundred two million, one hundred ninety-seven thousand, one".

Divisors: 1 3 34065667 102197001