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481144224 = 25311457997
BaseRepresentation
bin11100101011011…
…010110110100000
31020112100122210110
4130223122312200
51441133103344
6115424331320
714631441561
oct3453326640
91215318713
10481144224
11227658860
12115173b40
13788b2732
1447c88168
152c3913b9
hex1cadada0

481144224 has 96 divisors (see below), whose sum is σ = 1382222016. Its totient is φ = 145336320.

The previous prime is 481144193. The next prime is 481144231. The reversal of 481144224 is 422441184.

It is a Cunningham number, because it is equal to 219352-1.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×4811442243 (a number of 27 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 481144191 and 481144200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482094 + ... + 483090.

It is an arithmetic number, because the mean of its divisors is an integer number (14398146).

Almost surely, 2481144224 is an apocalyptic number.

481144224 is a gapful number since it is divisible by the number (44) 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 481144224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691111008).

481144224 is an abundant number, since it is smaller than the sum of its proper divisors (901077792).

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

481144224 is a wasteful number, since it uses less digits than its factorization.

481144224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1470 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 481144224 is about 21934.9999772054. Note that the first 4 decimals coincide. The cubic root of 481144224 is about 783.5951852920.

It can be divided in two parts, 48114 and 4224, that multiplied together give a square (203233536 = 142562).

The spelling of 481144224 in words is "four hundred eighty-one million, one hundred forty-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 457 528 914 997 1056 1371 1828 1994 2742 2991 3656 3988 5027 5484 5982 7312 7976 10054 10967 10968 11964 14624 15081 15952 20108 21934 21936 23928 30162 31904 32901 40216 43868 43872 47856 60324 65802 80432 87736 95712 120648 131604 160864 175472 241296 263208 350944 455629 482592 526416 911258 1052832 1366887 1822516 2733774 3645032 5011919 5467548 7290064 10023838 10935096 14580128 15035757 20047676 21870192 30071514 40095352 43740384 60143028 80190704 120286056 160381408 240572112 481144224