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454245025 = 52133893593
BaseRepresentation
bin11011000100110…
…011101010100001
31011122202001000211
4123010303222201
51412241320100
6113024014121
714154006343
oct3304635241
91148661024
10454245025
11213456013
12108161341
1373154c50
1444485293
1529d2b1ba
hex1b133aa1

454245025 has 24 divisors (see below), whose sum is σ = 608320440. Its totient is φ = 334487040.

The previous prime is 454245013. The next prime is 454245031. The reversal of 454245025 is 520542454.

It can be written as a sum of positive squares in 12 ways, for example, as 305795169 + 148449856 = 17487^2 + 12184^2 .

It is not a de Polignac number, because 454245025 - 27 = 454244897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124629 + ... + 128221.

It is an arithmetic number, because the mean of its divisors is an integer number (25346685).

Almost surely, 2454245025 is an apocalyptic number.

It is an amenable number.

454245025 is a deficient number, since it is larger than the sum of its proper divisors (154075415).

454245025 is a wasteful number, since it uses less digits than its factorization.

454245025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 454245025 is about 21313.0247735980. The cubic root of 454245025 is about 768.7115264858.

Adding to 454245025 its reverse (520542454), we get a palindrome (974787479).

The spelling of 454245025 in words is "four hundred fifty-four million, two hundred forty-five thousand, twenty-five".

Divisors: 1 5 13 25 65 325 389 1945 3593 5057 9725 17965 25285 46709 89825 126425 233545 1167725 1397677 6988385 18169801 34941925 90849005 454245025