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487061930 = 251311632281
BaseRepresentation
bin11101000001111…
…111100110101010
31020221111022100202
4131001333212222
51444141440210
6120155232202
715032646425
oct3501774652
91227438322
10487061930
1122aa2a923
12117148662
1379ba5134
14489889bc
152cb5e9a5
hex1d07f9aa

487061930 has 32 divisors (see below), whose sum is σ = 889213248. Its totient is φ = 192067200.

The previous prime is 487061921. The next prime is 487061963. The reversal of 487061930 is 39160784.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 212390 + ... + 214670.

It is an arithmetic number, because the mean of its divisors is an integer number (27787914).

Almost surely, 2487061930 is an apocalyptic number.

487061930 is a deficient number, since it is larger than the sum of its proper divisors (402151318).

487061930 is a wasteful number, since it uses less digits than its factorization.

487061930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 487061930 is about 22069.4796041955. The cubic root of 487061930 is about 786.7946444651.

The spelling of 487061930 in words is "four hundred eighty-seven million, sixty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 131 163 262 326 655 815 1310 1630 2281 4562 11405 21353 22810 42706 106765 213530 298811 371803 597622 743606 1494055 1859015 2988110 3718030 48706193 97412386 243530965 487061930