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102911201 = 195416379
BaseRepresentation
bin1100010001001…
…00110011100001
321011122102121222
412020210303201
5202321124301
614113424425
72356505441
oct610446341
9234572558
10102911201
11530aa788
122a56b115
1318422903
14d94c121
15907c31b
hex6224ce1

102911201 has 4 divisors (see below), whose sum is σ = 108327600. Its totient is φ = 97494804.

The previous prime is 102911161. The next prime is 102911203. The reversal of 102911201 is 102119201.

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 a cyclic number.

It is not a de Polignac number, because 102911201 - 226 = 35802337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102911201.

It is not an unprimeable number, because it can be changed into a prime (102911203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708171 + ... + 2708208.

It is an arithmetic number, because the mean of its divisors is an integer number (27081900).

Almost surely, 2102911201 is an apocalyptic number.

It is an amenable number.

102911201 is a deficient number, since it is larger than the sum of its proper divisors (5416399).

102911201 is an equidigital number, since it uses as much as digits as its factorization.

102911201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416398.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 102911201 is about 10144.5158090468. The cubic root of 102911201 is about 468.6200674303.

The spelling of 102911201 in words is "one hundred two million, nine hundred eleven thousand, two hundred one".

Divisors: 1 19 5416379 102911201