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481854436 = 22721012241
BaseRepresentation
bin11100101110001…
…000001111100100
31020120200202000121
4130232020033210
51441323320221
6115451451324
714640460300
oct3456101744
91216622017
10481854436
11227aa3408
12115456b44
1378aa0a8b
1447dd0d00
152c481a41
hex1cb883e4

481854436 has 54 divisors (see below), whose sum is σ = 994837074. Its totient is φ = 203616000.

The previous prime is 481854413. The next prime is 481854437. The reversal of 481854436 is 634458184.

It can be written as a sum of positive squares in 3 ways, for example, as 386908900 + 94945536 = 19670^2 + 9744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 481854392 and 481854401.

It is not an unprimeable number, because it can be changed into a prime (481854437) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1999276 + ... + 1999516.

Almost surely, 2481854436 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 481854436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497418537).

481854436 is an abundant number, since it is smaller than the sum of its proper divisors (512982638).

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

481854436 is a wasteful number, since it uses less digits than its factorization.

481854436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 351 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 481854436 is about 21951.1830205117. The cubic root of 481854436 is about 783.9805479868.

The spelling of 481854436 in words is "four hundred eighty-one million, eight hundred fifty-four thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 49 98 101 196 202 241 404 482 707 964 1414 1687 2828 3374 4949 6748 9898 10201 11809 19796 20402 23618 24341 40804 47236 48682 71407 97364 142814 170387 285628 340774 499849 681548 999698 1192709 1999396 2385418 2458441 4770836 4916882 9833764 17209087 34418174 68836348 120463609 240927218 481854436