Search a number
-
+
545331025 = 5243350377
BaseRepresentation
bin100000100000010…
…001011101010001
31102000010200112101
4200200101131101
52104101043100
6130040200401
716341144241
oct4040213521
91360120471
10545331025
1125a9092a8
12132769101
1388c972a5
14525d5b21
1532d1e86a
hex20811751

545331025 has 12 divisors (see below), whose sum is σ = 677785612. Its totient is φ = 435248640.

The previous prime is 545331011. The next prime is 545331047. The reversal of 545331025 is 520133545.

It can be written as a sum of positive squares in 6 ways, for example, as 32444416 + 512886609 = 5696^2 + 22647^2 .

It is a de Polignac number, because none of the positive numbers 2k-545331025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545330984 and 545331002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14364 + ... + 36013.

Almost surely, 2545331025 is an apocalyptic number.

It is an amenable number.

545331025 is a deficient number, since it is larger than the sum of its proper divisors (132454587).

545331025 is a wasteful number, since it uses less digits than its factorization.

545331025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50820 (or 50815 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 545331025 is about 23352.3237601743. The cubic root of 545331025 is about 816.9962605954.

The spelling of 545331025 in words is "five hundred forty-five million, three hundred thirty-one thousand, twenty-five".

Divisors: 1 5 25 433 2165 10825 50377 251885 1259425 21813241 109066205 545331025