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497121207 = 311130111579
BaseRepresentation
bin11101101000010…
…111011110110111
31021122102101002120
4131220113132313
52004230334312
6121155011023
715214313652
oct3550273667
91248371076
10497121207
11235680580
1211a599a73
137bcb797b
144a046899
152d99a28c
hex1da177b7

497121207 has 16 divisors (see below), whose sum is σ = 723703680. Its totient is φ = 301028000.

The previous prime is 497121203. The next prime is 497121253. The reversal of 497121207 is 702121794.

It is a cyclic number.

It is not a de Polignac number, because 497121207 - 22 = 497121203 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37144 + ... + 48722.

It is an arithmetic number, because the mean of its divisors is an integer number (45231480).

Almost surely, 2497121207 is an apocalyptic number.

497121207 is a deficient number, since it is larger than the sum of its proper divisors (226582473).

497121207 is a wasteful number, since it uses less digits than its factorization.

497121207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12894.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 497121207 is about 22296.2150823856. The cubic root of 497121207 is about 792.1743268058.

The spelling of 497121207 in words is "four hundred ninety-seven million, one hundred twenty-one thousand, two hundred seven".

Divisors: 1 3 11 33 1301 3903 11579 14311 34737 42933 127369 382107 15064279 45192837 165707069 497121207