Search a number
-
+
490885064 = 231719271701
BaseRepresentation
bin11101010000100…
…100111111001000
31021012200112201022
4131100210333020
52001131310224
6120413212012
715110311535
oct3520447710
91235615638
10490885064
1123210123a
12118491008
137a913347
14492a1d8c
152d16765e
hex1d424fc8

490885064 has 64 divisors (see below), whose sum is σ = 1031097600. Its totient is φ = 217728000.

The previous prime is 490885051. The next prime is 490885079. The reversal of 490885064 is 460588094.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699914 + ... + 700614.

It is an arithmetic number, because the mean of its divisors is an integer number (16110900).

Almost surely, 2490885064 is an apocalyptic number.

It is an amenable number.

490885064 is an abundant number, since it is smaller than the sum of its proper divisors (540212536).

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

490885064 is a wasteful number, since it uses less digits than its factorization.

490885064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 490885064 is about 22155.9261598336. The cubic root of 490885064 is about 788.8478981662.

The spelling of 490885064 in words is "four hundred ninety million, eight hundred eighty-five thousand, sixty-four".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 271 323 542 646 701 1084 1292 1402 2168 2584 2804 4607 5149 5608 9214 10298 11917 13319 18428 20596 23834 26638 36856 41192 47668 53276 87533 95336 106552 175066 189971 226423 350132 379942 452846 700264 759884 905692 1519768 1811384 3229507 3609449 6459014 7218898 12918028 14437796 25836056 28875592 61360633 122721266 245442532 490885064