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115082801 = 257447793
BaseRepresentation
bin1101101110000…
…00011000110001
322000112210220222
412313000120301
5213430122201
615230342425
72565121241
oct667003061
9260483828
10115082801
1159a63459
123265aa15
131aac4a42
14113d9b21
15a18391b
hex6dc0631

115082801 has 4 divisors (see below), whose sum is σ = 115530852. Its totient is φ = 114634752.

The previous prime is 115082789. The next prime is 115082813. The reversal of 115082801 is 108280511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108280511 = 712715193.

It is an interprime number because it is at equal distance from previous prime (115082789) and next prime (115082813).

It can be written as a sum of positive squares in 2 ways, for example, as 104060401 + 11022400 = 10201^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 115082801 - 214 = 115066417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115082831) 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, 223640 + ... + 224153.

It is an arithmetic number, because the mean of its divisors is an integer number (28882713).

Almost surely, 2115082801 is an apocalyptic number.

It is an amenable number.

115082801 is a deficient number, since it is larger than the sum of its proper divisors (448051).

115082801 is an equidigital number, since it uses as much as digits as its factorization.

115082801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448050.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 115082801 is about 10727.6652166257. The cubic root of 115082801 is about 486.4110971781.

The spelling of 115082801 in words is "one hundred fifteen million, eighty-two thousand, eight hundred one".

Divisors: 1 257 447793 115082801