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463780440 = 233255092531
BaseRepresentation
bin11011101001001…
…011101001011000
31012022200111011100
4123221023221120
51422211433230
6114004231400
714331032364
oct3351135130
91168614140
10463780440
11218879122
1210b39b560
13751131c6
14458482a4
152aab1660
hex1ba4ba58

463780440 has 96 divisors (see below), whose sum is σ = 1510844400. Its totient is φ = 123383040.

The previous prime is 463780439. The next prime is 463780453. The reversal of 463780440 is 44087364.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 463780395 and 463780404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181975 + ... + 184505.

Almost surely, 2463780440 is an apocalyptic number.

463780440 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 463780440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755422200).

463780440 is an abundant number, since it is smaller than the sum of its proper divisors (1047063960).

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

463780440 is a wasteful number, since it uses less digits than its factorization.

463780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 463780440 is about 21535.5622169471. The cubic root of 463780440 is about 774.0531982745.

The spelling of 463780440 in words is "four hundred sixty-three million, seven hundred eighty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 509 1018 1527 2036 2531 2545 3054 4072 4581 5062 5090 6108 7593 7635 9162 10124 10180 12216 12655 15186 15270 18324 20248 20360 22779 22905 25310 30372 30540 36648 37965 45558 45810 50620 60744 61080 75930 91116 91620 101240 113895 151860 182232 183240 227790 303720 455580 911160 1288279 2576558 3864837 5153116 6441395 7729674 10306232 11594511 12882790 15459348 19324185 23189022 25765580 30918696 38648370 46378044 51531160 57972555 77296740 92756088 115945110 154593480 231890220 463780440