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40711225 = 521739413
BaseRepresentation
bin1001101101001…
…1010000111001
32211121100022011
42123103100321
540410224400
64012325521
71003016422
oct233232071
984540264
1040711225
1120a86a45
12117738a1
1385854a9
14559a649
1538928ba
hex26d3439

40711225 has 12 divisors (see below), whose sum is σ = 50779116. Its totient is φ = 32377280.

The previous prime is 40711213. The next prime is 40711241. The reversal of 40711225 is 52211704.

It is a happy number.

40711225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 8357881 + 32353344 = 2891^2 + 5688^2 .

It is not a de Polignac number, because 40711225 - 25 = 40711193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40711196 and 40711205.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 382 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (4231593).

Almost surely, 240711225 is an apocalyptic number.

It is an amenable number.

40711225 is a deficient number, since it is larger than the sum of its proper divisors (10067891).

40711225 is a wasteful number, since it uses less digits than its factorization.

40711225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9596 (or 9591 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40711225 is about 6380.5348521891. The cubic root of 40711225 is about 344.0102558011.

Adding to 40711225 its reverse (52211704), we get a palindrome (92922929).

The spelling of 40711225 in words is "forty million, seven hundred eleven thousand, two hundred twenty-five".

Divisors: 1 5 25 173 865 4325 9413 47065 235325 1628449 8142245 40711225