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115525461 = 338508487
BaseRepresentation
bin1101110001011…
…00011101010101
322001101022010210
412320230131111
5214033303321
615244040033
72601643632
oct670543525
9261338123
10115525461
115a235a97
1232833019
131ac1b37c
14114b3189
15a21eb76
hex6e2c755

115525461 has 4 divisors (see below), whose sum is σ = 154033952. Its totient is φ = 77016972.

The previous prime is 115525451. The next prime is 115525463. The reversal of 115525461 is 164525511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115525461 - 29 = 115524949 is a prime.

It is a super-2 number, since 2×1155254612 = 26692264278525042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115525463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19254241 + ... + 19254246.

It is an arithmetic number, because the mean of its divisors is an integer number (38508488).

Almost surely, 2115525461 is an apocalyptic number.

It is an amenable number.

115525461 is a deficient number, since it is larger than the sum of its proper divisors (38508491).

115525461 is an equidigital number, since it uses as much as digits as its factorization.

115525461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38508490.

The product of its digits is 6000, while the sum is 30.

The square root of 115525461 is about 10748.2771177524. The cubic root of 115525461 is about 487.0339509181.

Subtracting 115525461 from its reverse (164525511), we obtain a triangular number (49000050 = T9899).

The spelling of 115525461 in words is "one hundred fifteen million, five hundred twenty-five thousand, four hundred sixty-one".

Divisors: 1 3 38508487 115525461