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486977239 = 72193767211
BaseRepresentation
bin11101000001101…
…010111011010111
31020221100000012001
4131001222323113
51444131232424
6120153340131
715032144500
oct3501527327
91227300161
10486977239
1122a982231
12117107647
1379b75718
1448965ba7
152cb44844
hex1d06aed7

486977239 has 48 divisors (see below), whose sum is σ = 624501120. Its totient is φ = 377213760.

The previous prime is 486977203. The next prime is 486977261. The reversal of 486977239 is 932779684.

It is not a de Polignac number, because 486977239 - 225 = 453422807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 486977239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486977299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2307844 + ... + 2308054.

It is an arithmetic number, because the mean of its divisors is an integer number (13010440).

Almost surely, 2486977239 is an apocalyptic number.

486977239 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

486977239 is a deficient number, since it is larger than the sum of its proper divisors (137523881).

486977239 is a wasteful number, since it uses less digits than its factorization.

486977239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 341 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The square root of 486977239 is about 22067.5607850075. The cubic root of 486977239 is about 786.7490388425.

The spelling of 486977239 in words is "four hundred eighty-six million, nine hundred seventy-seven thousand, two hundred thirty-nine".

Divisors: 1 7 19 37 49 67 133 211 259 469 703 931 1273 1477 1813 2479 3283 4009 4921 7807 8911 10339 14137 17353 28063 34447 47101 54649 62377 98959 121471 148333 196441 268603 329707 382543 523069 692713 1038331 1880221 2307949 3661483 7268317 9938311 13161547 25630381 69568177 486977239