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2169097 = 71947347
BaseRepresentation
bin1000010001100100001001
311002012102221
420101210021
51023402342
6114254041
724302620
oct10214411
94065387
102169097
111251747
12887321
135ac3b8
144066b7
152cca67
hex211909

2169097 has 16 divisors (see below), whose sum is σ = 2672640. Its totient is φ = 1718928.

The previous prime is 2169073. The next prime is 2169109. The reversal of 2169097 is 7909612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2169097 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2169007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6078 + ... + 6424.

It is an arithmetic number, because the mean of its divisors is an integer number (167040).

22169097 is an apocalyptic number.

It is an amenable number.

2169097 is a deficient number, since it is larger than the sum of its proper divisors (503543).

2169097 is a wasteful number, since it uses less digits than its factorization.

2169097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2169097 is about 1472.7854562020. The cubic root of 2169097 is about 129.4472984622.

The spelling of 2169097 in words is "two million, one hundred sixty-nine thousand, ninety-seven".

Divisors: 1 7 19 47 133 329 347 893 2429 6251 6593 16309 46151 114163 309871 2169097