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487468801 = 2916809269
BaseRepresentation
bin11101000011100…
…010111100000001
31020222020222111001
4131003202330001
51444243000201
6120212052001
715036262561
oct3503427401
91228228431
10487468801
11230188586
12117304001
1379cb83a1
1448a52da1
152cbe0301
hex1d0e2f01

487468801 has 4 divisors (see below), whose sum is σ = 504278100. Its totient is φ = 470659504.

The previous prime is 487468777. The next prime is 487468811. The reversal of 487468801 is 108864784.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 263218176 + 224250625 = 16224^2 + 14975^2 .

It is a cyclic number.

It is not a de Polignac number, because 487468801 - 213 = 487460609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487468811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8404606 + ... + 8404663.

It is an arithmetic number, because the mean of its divisors is an integer number (126069525).

Almost surely, 2487468801 is an apocalyptic number.

It is an amenable number.

487468801 is a deficient number, since it is larger than the sum of its proper divisors (16809299).

487468801 is a wasteful number, since it uses less digits than its factorization.

487468801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16809298.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 487468801 is about 22078.6956362916. The cubic root of 487468801 is about 787.0136685126.

The spelling of 487468801 in words is "four hundred eighty-seven million, four hundred sixty-eight thousand, eight hundred one".

Divisors: 1 29 16809269 487468801