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487590642 = 232711351797
BaseRepresentation
bin11101000100000…
…000101011110010
31020222111011121200
4131010000223302
51444310400032
6120214432030
715040311030
oct3504005362
91228434550
10487590642
11230261080
12117362616
137a02b996
1448a85550
152cc1647c
hex1d100af2

487590642 has 48 divisors (see below), whose sum is σ = 1317131712. Its totient is φ = 126646560.

The previous prime is 487590637. The next prime is 487590647. The reversal of 487590642 is 246095784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (487590637) and next prime (487590647).

It is not an unprimeable number, because it can be changed into a prime (487590647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174513 + ... + 177284.

It is an arithmetic number, because the mean of its divisors is an integer number (27440244).

Almost surely, 2487590642 is an apocalyptic number.

487590642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

487590642 is an abundant number, since it is smaller than the sum of its proper divisors (829541070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487590642 is a wasteful number, since it uses less digits than its factorization.

487590642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351823 (or 351820 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 487590642 is about 22081.4547075142. The cubic root of 487590642 is about 787.0792334227.

The spelling of 487590642 in words is "four hundred eighty-seven million, five hundred ninety thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 351797 703594 1055391 2110782 2462579 3166173 3869767 4925158 6332346 7387737 7739534 11609301 14775474 22163211 23218602 27088369 34827903 44326422 54176738 69655806 81265107 162530214 243795321 487590642