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453903025 = 5242612
BaseRepresentation
bin11011000011100…
…000001010110001
31011122002122220011
4123003200022301
51412144344100
6113012414521
714151053302
oct3303401261
91148078804
10453903025
11213242074
12108017441
1373065394
14443d67a9
1529caebba
hex1b0e02b1

453903025 has 9 divisors (see below), whose sum is σ = 562971873. Its totient is φ = 363037200.

The previous prime is 453903011. The next prime is 453903029. The reversal of 453903025 is 520309354.

The square root of 453903025 is 21305.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 89245809 + 364657216 = 9447^2 + 19096^2 .

It is not a de Polignac number, because 453903025 - 215 = 453870257 is a prime.

It is a super-2 number, since 2×4539030252 = 412055912208301250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453903029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104395 + ... + 108655.

Almost surely, 2453903025 is an apocalyptic number.

453903025 is the 21305-th square number.

453903025 is the 10653-rd centered octagonal number.

It is an amenable number.

453903025 is a deficient number, since it is larger than the sum of its proper divisors (109068848).

453903025 is an frugal number, since it uses more digits than its factorization.

453903025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8532 (or 4266 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The cubic root of 453903025 is about 768.5185576885.

The spelling of 453903025 in words is "four hundred fifty-three million, nine hundred three thousand, twenty-five".

Divisors: 1 5 25 4261 21305 106525 18156121 90780605 453903025