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116021237 = 541214457
BaseRepresentation
bin1101110101001…
…01011111110101
322002022111012212
412322211133311
5214200134422
615302423205
72606110223
oct672453765
9262274185
10116021237
115a544522
1232a31b05
131b062c27
14115a1b13
15a2bb9e2
hex6ea57f5

116021237 has 4 divisors (see below), whose sum is σ = 116236236. Its totient is φ = 115806240.

The previous prime is 116021221. The next prime is 116021249. The reversal of 116021237 is 732120611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 732120611 = 751974861.

It can be written as a sum of positive squares in 2 ways, for example, as 85396081 + 30625156 = 9241^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 116021237 - 24 = 116021221 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 (116029237) 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, 106688 + ... + 107769.

It is an arithmetic number, because the mean of its divisors is an integer number (29059059).

Almost surely, 2116021237 is an apocalyptic number.

It is an amenable number.

116021237 is a deficient number, since it is larger than the sum of its proper divisors (214999).

116021237 is an equidigital number, since it uses as much as digits as its factorization.

116021237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214998.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 116021237 is about 10771.3154721232. The cubic root of 116021237 is about 487.7296565978.

Adding to 116021237 its reverse (732120611), we get a palindrome (848141848).

The spelling of 116021237 in words is "one hundred sixteen million, twenty-one thousand, two hundred thirty-seven".

Divisors: 1 541 214457 116021237