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481418545 = 5401240109
BaseRepresentation
bin11100101100011…
…101110100110001
31020112212121002111
4130230131310301
51441220343140
6115434245321
714633663416
oct3454356461
91215777074
10481418545
11227825973
12115286841
137897a55a
1447d1a10d
152c3e77ea
hex1cb1dd31

481418545 has 8 divisors (see below), whose sum is σ = 579145320. Its totient is φ = 384172800.

The previous prime is 481418537. The next prime is 481418549. The reversal of 481418545 is 545814184.

It can be written as a sum of positive squares in 4 ways, for example, as 362673936 + 118744609 = 19044^2 + 10897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481418545 - 23 = 481418537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481418498 and 481418507.

It is not an unprimeable number, because it can be changed into a prime (481418549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118050 + ... + 122059.

It is an arithmetic number, because the mean of its divisors is an integer number (72393165).

Almost surely, 2481418545 is an apocalyptic number.

It is an amenable number.

481418545 is a deficient number, since it is larger than the sum of its proper divisors (97726775).

481418545 is a wasteful number, since it uses less digits than its factorization.

481418545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240515.

The product of its digits is 102400, while the sum is 40.

The square root of 481418545 is about 21941.2521292655. The cubic root of 481418545 is about 783.7440774294.

The spelling of 481418545 in words is "four hundred eighty-one million, four hundred eighteen thousand, five hundred forty-five".

Divisors: 1 5 401 2005 240109 1200545 96283709 481418545