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1040210225 = 52241172649
BaseRepresentation
bin111110000000000…
…101100100110001
32200111100011011122
4332000011210301
54112243211400
6251115152025
734530432605
oct7600054461
92614304148
101040210225
1149419837a
12250445615
13137678612
149c217505
15614c5685
hex3e005931

1040210225 has 12 divisors (see below), whose sum is σ = 1295220300. Its totient is φ = 828710400.

The previous prime is 1040210209. The next prime is 1040210231. The reversal of 1040210225 is 5220120401.

It can be written as a sum of positive squares in 6 ways, for example, as 126720049 + 913490176 = 11257^2 + 30224^2 .

It is not a de Polignac number, because 1040210225 - 24 = 1040210209 is a prime.

It is a Curzon number.

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, 80300 + ... + 92349.

It is an arithmetic number, because the mean of its divisors is an integer number (107935025).

Almost surely, 21040210225 is an apocalyptic number.

It is an amenable number.

1040210225 is a deficient number, since it is larger than the sum of its proper divisors (255010075).

1040210225 is a wasteful number, since it uses less digits than its factorization.

1040210225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172900 (or 172895 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1040210225 is about 32252.2902287574. The cubic root of 1040210225 is about 1013.2276657067.

Adding to 1040210225 its reverse (5220120401), we get a palindrome (6260330626).

The spelling of 1040210225 in words is "one billion, forty million, two hundred ten thousand, two hundred twenty-five".

Divisors: 1 5 25 241 1205 6025 172649 863245 4316225 41608409 208042045 1040210225