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455045485 = 5257354121
BaseRepresentation
bin11011000111110…
…111000101101101
31011201020201001111
4123013313011231
51412442423420
6113053112021
714163552136
oct3307670555
91151221044
10455045485
11213952454
12108488611
13733753ab
1444612c8d
1529e3845a
hex1b1f716d

455045485 has 8 divisors (see below), whose sum is σ = 548180856. Its totient is φ = 362618880.

The previous prime is 455045449. The next prime is 455045509. The reversal of 455045485 is 584540554.

It can be written as a sum of positive squares in 4 ways, for example, as 38763076 + 416282409 = 6226^2 + 20403^2 .

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

It is not a de Polignac number, because 455045485 - 225 = 421491053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175776 + ... + 178345.

It is an arithmetic number, because the mean of its divisors is an integer number (68522607).

Almost surely, 2455045485 is an apocalyptic number.

It is an amenable number.

455045485 is a deficient number, since it is larger than the sum of its proper divisors (93135371).

455045485 is a wasteful number, since it uses less digits than its factorization.

455045485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354383.

The product of its (nonzero) digits is 320000, while the sum is 40.

The square root of 455045485 is about 21331.7951659020. The cubic root of 455045485 is about 769.1627966977.

The spelling of 455045485 in words is "four hundred fifty-five million, forty-five thousand, four hundred eighty-five".

Divisors: 1 5 257 1285 354121 1770605 91009097 455045485