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2086403469 = 31259552397
BaseRepresentation
bin111110001011011…
…1111110110001101
312101101221021111120
41330112333312031
513233104402334
6543010511153
7102463064643
oct17426776615
95341837446
102086403469
119807a1897
124a28954b9
1327333a287
1415b14b193
15c327d949
hex7c5bfd8d

2086403469 has 8 divisors (see below), whose sum is σ = 2784085920. Its totient is φ = 1389828336.

The previous prime is 2086403443. The next prime is 2086403477. The reversal of 2086403469 is 9643046802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2086403469 - 28 = 2086403213 is a prime.

It is a super-2 number, since 2×20864034692 = 8706158870910467922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2086403469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086403269) 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, 272422 + ... + 279975.

It is an arithmetic number, because the mean of its divisors is an integer number (348010740).

Almost surely, 22086403469 is an apocalyptic number.

It is an amenable number.

2086403469 is a deficient number, since it is larger than the sum of its proper divisors (697682451).

2086403469 is a wasteful number, since it uses less digits than its factorization.

2086403469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553659.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 2086403469 is about 45677.1657286220. The cubic root of 2086403469 is about 1277.8094591041.

The spelling of 2086403469 in words is "two billion, eighty-six million, four hundred three thousand, four hundred sixty-nine".

Divisors: 1 3 1259 3777 552397 1657191 695467823 2086403469