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116542215 = 3252938839
BaseRepresentation
bin1101111001001…
…00101100000111
322010021221212100
412330210230013
5214313322330
615321523143
72613410136
oct674445407
9263257770
10116542215
115a86a989
12330434b3
131b1b60ba
141169991d
15a371060
hex6f24b07

116542215 has 24 divisors (see below), whose sum is σ = 202718880. Its totient is φ = 61936704.

The previous prime is 116542171. The next prime is 116542249. The reversal of 116542215 is 512245611.

116542215 is a `hidden beast` number, since 1 + 1 + 654 + 2 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 116542215 - 29 = 116541703 is a prime.

It is a super-4 number, since 4×1165422154 (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8766 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (8446620).

Almost surely, 2116542215 is an apocalyptic number.

116542215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116542215 is a deficient number, since it is larger than the sum of its proper divisors (86176665).

116542215 is a wasteful number, since it uses less digits than its factorization.

116542215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143 (or 9140 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 116542215 is about 10795.4719674501. The cubic root of 116542215 is about 488.4585950944.

Adding to 116542215 its reverse (512245611), we get a palindrome (628787826).

The spelling of 116542215 in words is "one hundred sixteen million, five hundred forty-two thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 45 293 879 1465 2637 4395 8839 13185 26517 44195 79551 132585 397755 2589827 7769481 12949135 23308443 38847405 116542215