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481408 = 273761
BaseRepresentation
bin1110101100010000000
3220110100221
41311202000
5110401113
614152424
74043344
oct1654200
9813327
10481408
112a9764
121b2714
1313b175
14c7624
159798d
hex75880

481408 has 16 divisors (see below), whose sum is σ = 959310. Its totient is φ = 240640.

The previous prime is 481387. The next prime is 481409. The reversal of 481408 is 804184.

481408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 61504 = 648^2 + 248^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (481409) by changing a digit.

481408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753 + ... + 2008.

2481408 is an apocalyptic number.

It is an amenable number.

481408 is a deficient number, since it is larger than the sum of its proper divisors (477902).

481408 is an equidigital number, since it uses as much as digits as its factorization.

481408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 481408 is about 693.8357154255. The cubic root of 481408 is about 78.3738355006.

The spelling of 481408 in words is "four hundred eighty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 128 3761 7522 15044 30088 60176 120352 240704 481408