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115413213 = 3241159631
BaseRepresentation
bin1101110000100…
…01000011011101
322001011121011110
412320101003131
5214021210323
615241412233
72600665446
oct670210335
9261147143
10115413213
115a169723
123279a079
131abac256
14114842cd
15a1eb793
hex6e110dd

115413213 has 8 divisors (see below), whose sum is σ = 154523776. Its totient is φ = 76622400.

The previous prime is 115413191. The next prime is 115413223. The reversal of 115413213 is 312314511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115413213 - 210 = 115412189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115413213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115413223) 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 7 ways as a sum of consecutive naturals, for example, 79093 + ... + 80538.

It is an arithmetic number, because the mean of its divisors is an integer number (19315472).

Almost surely, 2115413213 is an apocalyptic number.

It is an amenable number.

115413213 is a deficient number, since it is larger than the sum of its proper divisors (39110563).

115413213 is a wasteful number, since it uses less digits than its factorization.

115413213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159875.

The product of its digits is 360, while the sum is 21.

The square root of 115413213 is about 10743.0541746749. The cubic root of 115413213 is about 486.8761608752.

Adding to 115413213 its reverse (312314511), we get a palindrome (427727724).

The spelling of 115413213 in words is "one hundred fifteen million, four hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 241 723 159631 478893 38471071 115413213