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487071351 = 321321791789
BaseRepresentation
bin11101000010000…
…001111001110111
31020221111210021200
4131002001321313
51444142240401
6120155343543
715033016044
oct3502017167
91227453250
10487071351
1122aa36a08
12117151bb3
1379ba9500
144898c1cb
152cb62686
hex1d081e77

487071351 has 36 divisors (see below), whose sum is σ = 766513800. Its totient is φ = 297895104.

The previous prime is 487071337. The next prime is 487071353. The reversal of 487071351 is 153170784.

It is not a de Polignac number, because 487071351 - 27 = 487071223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487071353) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 271365 + ... + 273153.

It is an arithmetic number, because the mean of its divisors is an integer number (21292050).

Almost surely, 2487071351 is an apocalyptic number.

487071351 is a deficient number, since it is larger than the sum of its proper divisors (279442449).

487071351 is a wasteful number, since it uses less digits than its factorization.

487071351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 487071351 is about 22069.6930427226. The cubic root of 487071351 is about 786.7997172934.

The spelling of 487071351 in words is "four hundred eighty-seven million, seventy-one thousand, three hundred fifty-one".

Divisors: 1 3 9 13 39 117 169 179 507 537 1521 1611 1789 2327 5367 6981 16101 20943 23257 30251 69771 90753 209313 272259 302341 320231 907023 960693 2721069 2882079 4163003 12489009 37467027 54119039 162357117 487071351