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463857920 = 2851721317
BaseRepresentation
bin11011101001011…
…110100100000000
31012022211102102222
4123221132210000
51422221423140
6114010030212
714331504311
oct3351364400
91168742388
10463857920
11218921359
1210b418368
137513c556
1445868608
152aac95b5
hex1ba5e900

463857920 has 72 divisors (see below), whose sum is σ = 1176497784. Its totient is φ = 174620672.

The previous prime is 463857917. The next prime is 463857949. The reversal of 463857920 is 29758364.

It can be written as a sum of positive squares in 4 ways, for example, as 264257536 + 199600384 = 16256^2 + 14128^2 .

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 7 ways as a sum of consecutive naturals, for example, 11102 + ... + 32418.

It is an arithmetic number, because the mean of its divisors is an integer number (16340247).

Almost surely, 2463857920 is an apocalyptic number.

463857920 is a gapful number since it is divisible by the number (40) 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 463857920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588248892).

463857920 is an abundant number, since it is smaller than the sum of its proper divisors (712639864).

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

463857920 is a wasteful number, since it uses less digits than its factorization.

463857920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355 (or 21341 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 463857920 is about 21537.3610268296. The cubic root of 463857920 is about 774.0963007839.

The spelling of 463857920 in words is "four hundred sixty-three million, eight hundred fifty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 640 680 1088 1280 1360 2176 2720 4352 5440 10880 21317 21760 42634 85268 106585 170536 213170 341072 362389 426340 682144 724778 852680 1364288 1449556 1705360 1811945 2728576 2899112 3410720 3623890 5457152 5798224 6821440 7247780 11596448 13642880 14495560 23192896 27285760 28991120 46385792 57982240 92771584 115964480 231928960 463857920