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489311552 = 2671257419
BaseRepresentation
bin11101001010100…
…100110101000000
31021002201121021002
4131022210311000
52000230432202
6120315351132
715061036202
oct3512446500
91232647232
10489311552
11231227014
12117a524a8
137a4b2082
1448db2772
152ce56302
hex1d2a4d40

489311552 has 56 divisors (see below), whose sum is σ = 990843840. Its totient is φ = 239697920.

The previous prime is 489311551. The next prime is 489311597. The reversal of 489311552 is 255113984.

It is a happy number.

It is a hoax number, since the sum of its digits (38) 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 (489311551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167599 + ... + 1168017.

It is an arithmetic number, because the mean of its divisors is an integer number (17693640).

Almost surely, 2489311552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489311552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495421920).

489311552 is an abundant number, since it is smaller than the sum of its proper divisors (501532288).

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

489311552 is a wasteful number, since it uses less digits than its factorization.

489311552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 749 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 489311552 is about 22120.3877000382. The cubic root of 489311552 is about 788.0041227335.

The spelling of 489311552 in words is "four hundred eighty-nine million, three hundred eleven thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 71 142 257 284 419 514 568 838 1028 1136 1676 2056 2272 3352 4112 4544 6704 8224 13408 16448 18247 26816 29749 36494 59498 72988 107683 118996 145976 215366 237992 291952 430732 475984 583904 861464 951968 1167808 1722928 1903936 3445856 6891712 7645493 15290986 30581972 61163944 122327888 244655776 489311552