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489298812 = 223611993359
BaseRepresentation
bin11101001010100…
…001101101111100
31021002200221210020
4131022201231330
52000230030222
6120315212140
715060654102
oct3512415574
91232627706
10489298812
11231218492
12117a47050
137a4a9332
1448dabc72
152ce5265c
hex1d2a1b7c

489298812 has 48 divisors (see below), whose sum is σ = 1166592000. Its totient is φ = 159572160.

The previous prime is 489298807. The next prime is 489298813. The reversal of 489298812 is 218892984.

It is a happy number.

It is a super-2 number, since 2×4892988122 = 478826654849222688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489298813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143989 + ... + 147347.

It is an arithmetic number, because the mean of its divisors is an integer number (24304000).

Almost surely, 2489298812 is an apocalyptic number.

It is an amenable number.

489298812 is an abundant number, since it is smaller than the sum of its proper divisors (677293188).

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

489298812 is a wasteful number, since it uses less digits than its factorization.

489298812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3624 counting only the distinct ones).

The product of its digits is 663552, while the sum is 51.

The square root of 489298812 is about 22120.0997285274. The cubic root of 489298812 is about 787.9972836963.

The spelling of 489298812 in words is "four hundred eighty-nine million, two hundred ninety-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 61 122 183 199 244 366 398 597 732 796 1194 2388 3359 6718 10077 12139 13436 20154 24278 36417 40308 48556 72834 145668 204899 409798 614697 668441 819596 1229394 1336882 2005323 2458788 2673764 4010646 8021292 40774901 81549802 122324703 163099604 244649406 489298812