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458400485 = 591680097
BaseRepresentation
bin11011010100101…
…010001011100101
31011221120011020202
4123110222023211
51414322303420
6113253040245
714234224364
oct3324521345
91157504222
10458400485
11215834084
12109626085
1373c7b4ba
1444c477db
152a39c575
hex1b52a2e5

458400485 has 4 divisors (see below), whose sum is σ = 550080588. Its totient is φ = 366720384.

The previous prime is 458400473. The next prime is 458400577. The reversal of 458400485 is 584004854.

It is a happy number.

458400485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584004854 = 2292002427.

It can be written as a sum of positive squares in 2 ways, for example, as 100661089 + 357739396 = 10033^2 + 18914^2 .

It is a cyclic number.

It is not a de Polignac number, because 458400485 - 24 = 458400469 is a prime.

It is a super-3 number, since 3×4584004853 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45840044 + ... + 45840053.

It is an arithmetic number, because the mean of its divisors is an integer number (137520147).

Almost surely, 2458400485 is an apocalyptic number.

It is an amenable number.

458400485 is a deficient number, since it is larger than the sum of its proper divisors (91680103).

458400485 is an equidigital number, since it uses as much as digits as its factorization.

458400485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91680102.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 458400485 is about 21410.2892320492. The cubic root of 458400485 is about 771.0484873251.

The spelling of 458400485 in words is "four hundred fifty-eight million, four hundred thousand, four hundred eighty-five".

Divisors: 1 5 91680097 458400485