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454442045 = 51727719301
BaseRepresentation
bin11011000101100…
…011110000111101
31011200010001021212
4123011203300331
51412314121140
6113032134205
714155456631
oct3305436075
91150101255
10454442045
11213580042
12108237365
13731c3825
14444d6dc1
1529d69765
hex1b163c3d

454442045 has 16 divisors (see below), whose sum is σ = 579523248. Its totient is φ = 340915200.

The previous prime is 454442041. The next prime is 454442059. The reversal of 454442045 is 540244454.

It can be written as a sum of positive squares in 8 ways, for example, as 2199289 + 452242756 = 1483^2 + 21266^2 .

It is not a de Polignac number, because 454442045 - 22 = 454442041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454442041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13895 + ... + 33195.

It is an arithmetic number, because the mean of its divisors is an integer number (36220203).

Almost surely, 2454442045 is an apocalyptic number.

It is an amenable number.

454442045 is a deficient number, since it is larger than the sum of its proper divisors (125081203).

454442045 is a wasteful number, since it uses less digits than its factorization.

454442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19600.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 454442045 is about 21317.6463288047. The cubic root of 454442045 is about 768.8226483440.

Adding to 454442045 its reverse (540244454), we get a palindrome (994686499).

The spelling of 454442045 in words is "four hundred fifty-four million, four hundred forty-two thousand, forty-five".

Divisors: 1 5 17 85 277 1385 4709 19301 23545 96505 328117 1640585 5346377 26731885 90888409 454442045