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116542015 = 523308403
BaseRepresentation
bin1101111001001…
…00101000111111
322010021221120221
412330210220333
5214313321030
615321522211
72613406432
oct674445077
9263257527
10116542015
115a86a817
1233043367
131b1b5c95
1411699819
15a370e7a
hex6f24a3f

116542015 has 4 divisors (see below), whose sum is σ = 139850424. Its totient is φ = 93233608.

The previous prime is 116542009. The next prime is 116542033. The reversal of 116542015 is 510245611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510245611 = 4311866177.

It is a cyclic number.

It is not a de Polignac number, because 116542015 - 25 = 116541983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11654197 + ... + 11654206.

It is an arithmetic number, because the mean of its divisors is an integer number (34962606).

Almost surely, 2116542015 is an apocalyptic number.

116542015 is a deficient number, since it is larger than the sum of its proper divisors (23308409).

116542015 is an equidigital number, since it uses as much as digits as its factorization.

116542015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308408.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 116542015 is about 10795.4627043031. The cubic root of 116542015 is about 488.4583156770.

Adding to 116542015 its reverse (510245611), we get a palindrome (626787626).

The spelling of 116542015 in words is "one hundred sixteen million, five hundred forty-two thousand, fifteen".

Divisors: 1 5 23308403 116542015