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478323056 = 24314143547
BaseRepresentation
bin11100100000101…
…010000101110000
31020100001022212202
4130200222011300
51434422314211
6115244042332
714565451601
oct3440520560
91210038782
10478323056
11226001212
121142333a8
13781355c3
1447751da8
152bed553b
hex1c82a170

478323056 has 80 divisors (see below), whose sum is σ = 1004602368. Its totient is φ = 220147200.

The previous prime is 478323049. The next prime is 478323061. The reversal of 478323056 is 650323874.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874175 + ... + 874721.

Almost surely, 2478323056 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 478323056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502301184).

478323056 is an abundant number, since it is smaller than the sum of its proper divisors (526279312).

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

478323056 is a wasteful number, since it uses less digits than its factorization.

478323056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 478323056 is about 21870.5979799364. The cubic root of 478323056 is about 782.0606568552.

The spelling of 478323056 in words is "four hundred seventy-eight million, three hundred twenty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 31 41 43 62 82 86 124 164 172 248 328 344 496 547 656 688 1094 1271 1333 1763 2188 2542 2666 3526 4376 5084 5332 7052 8752 10168 10664 14104 16957 20336 21328 22427 23521 28208 33914 44854 47042 54653 67828 89708 94084 109306 135656 179416 188168 218612 271312 358832 376336 437224 695237 729151 874448 964361 1390474 1458302 1928722 2780948 2916604 3857444 5561896 5833208 7714888 11123792 11666416 15429776 29895191 59790382 119580764 239161528 478323056