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487702487 = 511995273
BaseRepresentation
bin11101000100011…
…011111111010111
31020222200212001002
4131010123333113
51444322434422
6120221053515
715041255066
oct3504337727
91228625032
10487702487
11230328108
121173b729b
137a06a86c
1448ab41dd
152cc39692
hex1d11bfd7

487702487 has 4 divisors (see below), whose sum is σ = 487802880. Its totient is φ = 487602096.

The previous prime is 487702441. The next prime is 487702529. The reversal of 487702487 is 784207784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487702487 - 222 = 483508183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487702427) 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 3 ways as a sum of consecutive naturals, for example, 42518 + ... + 52755.

It is an arithmetic number, because the mean of its divisors is an integer number (121950720).

Almost surely, 2487702487 is an apocalyptic number.

487702487 is a deficient number, since it is larger than the sum of its proper divisors (100393).

487702487 is an equidigital number, since it uses as much as digits as its factorization.

487702487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100392.

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 487702487 is about 22083.9871173663. The cubic root of 487702487 is about 787.1394096848.

The spelling of 487702487 in words is "four hundred eighty-seven million, seven hundred two thousand, four hundred eighty-seven".

Divisors: 1 5119 95273 487702487