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488490834 = 231347227587
BaseRepresentation
bin11101000111011…
…100011101010010
31021001011220110010
4131013130131102
52000023201314
6120250015350
715051050346
oct3507343522
91231156403
10488490834
11230816437
12117717556
137a285640
1448c3b626
152cd43059
hex1d1dc752

488490834 has 64 divisors (see below), whose sum is σ = 1081092096. Its totient is φ = 146209344.

The previous prime is 488490833. The next prime is 488490841. The reversal of 488490834 is 438094884.

It is not an unprimeable number, because it can be changed into a prime (488490833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831889 + ... + 832475.

It is an arithmetic number, because the mean of its divisors is an integer number (16892064).

Almost surely, 2488490834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488490834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540546048).

488490834 is an abundant number, since it is smaller than the sum of its proper divisors (592601262).

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

488490834 is a wasteful number, since it uses less digits than its factorization.

488490834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 488490834 is about 22101.8287478661. The cubic root of 488490834 is about 787.5633053669.

The spelling of 488490834 in words is "four hundred eighty-eight million, four hundred ninety thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 227 282 454 587 611 681 1174 1222 1362 1761 1833 2951 3522 3666 5902 7631 8853 10669 15262 17706 21338 22893 27589 32007 45786 55178 64014 82767 133249 138697 165534 266498 277394 358657 399747 416091 717314 799494 832182 1075971 1732237 2151942 3464474 5196711 6262703 10393422 12525406 18788109 37576218 81415139 162830278 244245417 488490834