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489526872 = 23337551269
BaseRepresentation
bin11101001011011…
…001011001011000
31021010010112121220
4131023121121120
52000304324442
6120324132040
715062624022
oct3513313130
91233115556
10489526872
1123136386a
12117b37020
137a559093
144902b012
152ce99eec
hex1d2d9658

489526872 has 32 divisors (see below), whose sum is σ = 1256895600. Its totient is φ = 158765184.

The previous prime is 489526867. The next prime is 489526943. The reversal of 489526872 is 278625984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274747 + ... + 276522.

Almost surely, 2489526872 is an apocalyptic number.

It is an amenable number.

489526872 is an abundant number, since it is smaller than the sum of its proper divisors (767368728).

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

489526872 is a wasteful number, since it uses less digits than its factorization.

489526872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551315 (or 551311 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 489526872 is about 22125.2541680316. The cubic root of 489526872 is about 788.1196920233.

The spelling of 489526872 in words is "four hundred eighty-nine million, five hundred twenty-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 551269 1102538 1653807 2205076 3307614 4410152 6615228 13230456 20396953 40793906 61190859 81587812 122381718 163175624 244763436 489526872