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11538425 = 524111257
BaseRepresentation
bin101100000000…
…111111111001
3210201012202002
4230000333321
510423212200
61051150345
7200034503
oct54007771
923635662
1011538425
116570a98
123a453b5
13250cb92
141764d73
15102dbd5
hexb00ff9

11538425 has 12 divisors (see below), whose sum is σ = 14657916. Its totient is φ = 9004800.

The previous prime is 11538421. The next prime is 11538437. The reversal of 11538425 is 52483511.

It can be written as a sum of positive squares in 6 ways, for example, as 602176 + 10936249 = 776^2 + 3307^2 .

It is not a de Polignac number, because 11538425 - 22 = 11538421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11538421) 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 11 ways as a sum of consecutive naturals, for example, 4604 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (1221493).

Almost surely, 211538425 is an apocalyptic number.

It is an amenable number.

11538425 is a deficient number, since it is larger than the sum of its proper divisors (3119491).

11538425 is a wasteful number, since it uses less digits than its factorization.

11538425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11303 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 11538425 is about 3396.8257241136. The cubic root of 11538425 is about 225.9689896627.

The spelling of 11538425 in words is "eleven million, five hundred thirty-eight thousand, four hundred twenty-five".

Divisors: 1 5 25 41 205 1025 11257 56285 281425 461537 2307685 11538425