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115268207 = 671720421
BaseRepresentation
bin1101101111011…
…01101001101111
322000220020020212
412313231221233
5214002040312
615234333035
72566522625
oct667555157
9260806225
10115268207
115a07a78a
123272a17b
131ab5b252
1411447515
15a1bd822
hex6deda6f

115268207 has 4 divisors (see below), whose sum is σ = 116988696. Its totient is φ = 113547720.

The previous prime is 115268201. The next prime is 115268233. The reversal of 115268207 is 702862511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702862511 = 1354066347.

It is a cyclic number.

It is not a de Polignac number, because 115268207 - 220 = 114219631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115268201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860144 + ... + 860277.

It is an arithmetic number, because the mean of its divisors is an integer number (29247174).

Almost surely, 2115268207 is an apocalyptic number.

115268207 is a deficient number, since it is larger than the sum of its proper divisors (1720489).

115268207 is an equidigital number, since it uses as much as digits as its factorization.

115268207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720488.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 115268207 is about 10736.3032278341. The cubic root of 115268207 is about 486.6721705034.

The spelling of 115268207 in words is "one hundred fifteen million, two hundred sixty-eight thousand, two hundred seven".

Divisors: 1 67 1720421 115268207