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454420025 = 5218176801
BaseRepresentation
bin11011000101011…
…110011000111001
31011200001221002022
4123011132120321
51412312420100
6113031444225
714155335503
oct3305363071
91150057068
10454420025
11213565544
12108226675
13731b67b7
14444ccd73
1529d62e85
hex1b15e639

454420025 has 6 divisors (see below), whose sum is σ = 563480862. Its totient is φ = 363536000.

The previous prime is 454420003. The next prime is 454420061. The reversal of 454420025 is 520024454.

It can be written as a sum of positive squares in 3 ways, for example, as 7689529 + 446730496 = 2773^2 + 21136^2 .

It is not a de Polignac number, because 454420025 - 218 = 454157881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454419976 and 454420003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9088376 + ... + 9088425.

It is an arithmetic number, because the mean of its divisors is an integer number (93913477).

Almost surely, 2454420025 is an apocalyptic number.

It is an amenable number.

454420025 is a deficient number, since it is larger than the sum of its proper divisors (109060837).

454420025 is a wasteful number, since it uses less digits than its factorization.

454420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18176811 (or 18176806 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 454420025 is about 21317.1298490205. The cubic root of 454420025 is about 768.8102303703.

Adding to 454420025 its reverse (520024454), we get a palindrome (974444479).

The spelling of 454420025 in words is "four hundred fifty-four million, four hundred twenty thousand, twenty-five".

Divisors: 1 5 25 18176801 90884005 454420025