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303525025 = 5212141001
BaseRepresentation
bin10010000101110…
…110110010100001
3210011010200001121
4102011312302201
51110200300100
650041332241
710343630416
oct2205666241
9704120047
10303525025
11146371931
1285797081
134ab6340b
142c45010d
151b9a851a
hex12176ca1

303525025 has 6 divisors (see below), whose sum is σ = 376371062. Its totient is φ = 242820000.

The previous prime is 303525017. The next prime is 303525029. The reversal of 303525025 is 520525303.

It can be written as a sum of positive squares in 3 ways, for example, as 33547264 + 269977761 = 5792^2 + 16431^2 .

It is not a de Polignac number, because 303525025 - 23 = 303525017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 12141001 = 303525025 / (3 + 0 + 3 + 5 + 2 + 5 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (303525029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6070476 + ... + 6070525.

Almost surely, 2303525025 is an apocalyptic number.

It is an amenable number.

303525025 is a deficient number, since it is larger than the sum of its proper divisors (72846037).

303525025 is a wasteful number, since it uses less digits than its factorization.

303525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141011 (or 12141006 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 303525025 is about 17421.9696073664. The cubic root of 303525025 is about 672.0447114820.

The spelling of 303525025 in words is "three hundred three million, five hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 12141001 60705005 303525025