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505895488 = 26723291693
BaseRepresentation
bin11110001001110…
…101101001000000
31022020221011010221
4132021311221000
52014002123423
6122111032424
715352016650
oct3611655100
91266834127
10505895488
1123a62384a
1212150b714
1380a6a657
144b28c360
152e62ee5d
hex1e275a40

505895488 has 112 divisors (see below), whose sum is σ = 1239194880. Its totient is φ = 200116224.

The previous prime is 505895477. The next prime is 505895563. The reversal of 505895488 is 884598505.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 297970 + ... + 299662.

It is an arithmetic number, because the mean of its divisors is an integer number (11064240).

Almost surely, 2505895488 is an apocalyptic number.

505895488 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505895488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619597440).

505895488 is an abundant number, since it is smaller than the sum of its proper divisors (733299392).

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

505895488 is a wasteful number, since it uses less digits than its factorization.

505895488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 52.

The square root of 505895488 is about 22492.1205758817. The cubic root of 505895488 is about 796.8078463016.

The spelling of 505895488 in words is "five hundred five million, eight hundred ninety-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 23 28 29 32 46 56 58 64 92 112 116 161 184 203 224 232 322 368 406 448 464 644 667 736 812 928 1288 1334 1472 1624 1693 1856 2576 2668 3248 3386 4669 5152 5336 6496 6772 9338 10304 10672 11851 12992 13544 18676 21344 23702 27088 37352 38939 42688 47404 49097 54176 74704 77878 94808 98194 108352 149408 155756 189616 196388 272573 298816 311512 343679 379232 392776 545146 623024 687358 758464 785552 1090292 1129231 1246048 1374716 1571104 2180584 2258462 2492096 2749432 3142208 4361168 4516924 5498864 7904617 8722336 9033848 10997728 15809234 17444672 18067696 21995456 31618468 36135392 63236936 72270784 126473872 252947744 505895488