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115412051 = 731580987
BaseRepresentation
bin1101110000100…
…00110001010011
322001011112120102
412320100301103
5214021141201
615241403015
72600662166
oct670206123
9261145512
10115412051
115a168867
123279946b
131abab871
1411483add
15a1eb26b
hex6e10c53

115412051 has 4 divisors (see below), whose sum is σ = 116993112. Its totient is φ = 113830992.

The previous prime is 115412047. The next prime is 115412057. The reversal of 115412051 is 150214511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115412051 - 22 = 115412047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115412057) 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, 790421 + ... + 790566.

It is an arithmetic number, because the mean of its divisors is an integer number (29248278).

Almost surely, 2115412051 is an apocalyptic number.

115412051 is a deficient number, since it is larger than the sum of its proper divisors (1581061).

115412051 is an equidigital number, since it uses as much as digits as its factorization.

115412051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581060.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 115412051 is about 10743.0000930839. Note that the first 4 decimals coincide. The cubic root of 115412051 is about 486.8745268855.

Adding to 115412051 its reverse (150214511), we get a palindrome (265626562).

The spelling of 115412051 in words is "one hundred fifteen million, four hundred twelve thousand, fifty-one".

Divisors: 1 73 1580987 115412051