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487530477 = 32711368483
BaseRepresentation
bin11101000011110…
…001111111101101
31020222101010002100
4131003301333231
51444301433402
6120213245313
715036640440
oct3503617755
91228333070
10487530477
1123021a955
12117333839
137a00a495
1448a6b657
152cc0371c
hex1d0f1fed

487530477 has 24 divisors (see below), whose sum is σ = 811946304. Its totient is φ = 276119424.

The previous prime is 487530473. The next prime is 487530487. The reversal of 487530477 is 774035784.

487530477 is a `hidden beast` number, since 48 + 7 + 530 + 4 + 77 = 666.

It is not a de Polignac number, because 487530477 - 22 = 487530473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487530473) 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 23 ways as a sum of consecutive naturals, for example, 27123 + ... + 41360.

It is an arithmetic number, because the mean of its divisors is an integer number (33831096).

Almost surely, 2487530477 is an apocalyptic number.

It is an amenable number.

487530477 is a deficient number, since it is larger than the sum of its proper divisors (324415827).

487530477 is a wasteful number, since it uses less digits than its factorization.

487530477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68609 (or 68606 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 487530477 is about 22080.0923231765. The cubic root of 487530477 is about 787.0468588815.

The spelling of 487530477 in words is "four hundred eighty-seven million, five hundred thirty thousand, four hundred seventy-seven".

Divisors: 1 3 7 9 21 63 113 339 791 1017 2373 7119 68483 205449 479381 616347 1438143 4314429 7738579 23215737 54170053 69647211 162510159 487530477