Search a number
-
+
487396866 = 23117384801
BaseRepresentation
bin11101000011010…
…001011000000010
31020222010022210210
4131003101120002
51444233144431
6120210334550
715035543055
oct3503213002
91228108723
10487396866
11230139530
1211728a456
1379c91718
1448a34a9c
152cbc8d46
hex1d0d1602

487396866 has 16 divisors (see below), whose sum is σ = 1063411488. Its totient is φ = 147696000.

The previous prime is 487396853. The next prime is 487396891. The reversal of 487396866 is 668693784.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692335 + ... + 3692466.

It is an arithmetic number, because the mean of its divisors is an integer number (66463218).

Almost surely, 2487396866 is an apocalyptic number.

487396866 is an abundant number, since it is smaller than the sum of its proper divisors (576014622).

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

487396866 is a wasteful number, since it uses less digits than its factorization.

487396866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384817.

The product of its digits is 10450944, while the sum is 57.

The square root of 487396866 is about 22077.0665170896. The cubic root of 487396866 is about 786.9749538207.

The spelling of 487396866 in words is "four hundred eighty-seven million, three hundred ninety-six thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 11 22 33 66 7384801 14769602 22154403 44308806 81232811 162465622 243698433 487396866