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481626340 = 22513397113
BaseRepresentation
bin11100101101010…
…000100011100100
31020120021011010121
4130231100203210
51441244020330
6115442531324
714635520266
oct3455204344
91216234117
10481626340
11227957aa8
12115366b44
1378a21000
1447d71b36
152c43917a
hex1cb508e4

481626340 has 96 divisors (see below), whose sum is σ = 1116753120. Its totient is φ = 174440448.

The previous prime is 481626311. The next prime is 481626361. The reversal of 481626340 is 43626184.

481626340 = 26902 + 26912 + ... + 27542.

It can be written as a sum of positive squares in 16 ways, for example, as 458045604 + 23580736 = 21402^2 + 4856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 481626296 and 481626305.

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 31 ways as a sum of consecutive naturals, for example, 4262124 + ... + 4262236.

It is an arithmetic number, because the mean of its divisors is an integer number (11632845).

Almost surely, 2481626340 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 481626340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558376560).

481626340 is an abundant number, since it is smaller than the sum of its proper divisors (635126780).

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

481626340 is a wasteful number, since it uses less digits than its factorization.

481626340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 481626340 is about 21945.9868768757. The cubic root of 481626340 is about 783.8568238648.

The spelling of 481626340 in words is "four hundred eighty-one million, six hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 97 113 130 169 194 226 260 338 388 452 485 565 676 845 970 1130 1261 1469 1690 1940 2197 2260 2522 2938 3380 4394 5044 5876 6305 7345 8788 10961 10985 12610 14690 16393 19097 21922 21970 25220 29380 32786 38194 43844 43940 54805 65572 76388 81965 95485 109610 142493 163930 190970 213109 219220 248261 284986 327860 381940 426218 496522 569972 712465 852436 993044 1065545 1241305 1424930 1852409 2131090 2482610 2849860 3704818 4262180 4965220 7409636 9262045 18524090 24081317 37048180 48162634 96325268 120406585 240813170 481626340