Search a number
-
+
115002281 = 3110336017
BaseRepresentation
bin1101101101011…
…00101110101001
322000101201110202
412312230232221
5213420033111
615224521545
72564334422
oct666545651
9260351422
10115002281
1159a08a09
12326202b5
131aa971b4
14113b8649
15a169b3b
hex6dacba9

115002281 has 8 divisors (see below), whose sum is σ = 119867904. Its totient is φ = 110208960.

The previous prime is 115002271. The next prime is 115002301. The reversal of 115002281 is 182200511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115002281 is a prime.

It is a super-2 number, since 2×1150022812 = 26451049270405922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115002221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14816 + ... + 21201.

It is an arithmetic number, because the mean of its divisors is an integer number (14983488).

Almost surely, 2115002281 is an apocalyptic number.

It is an amenable number.

115002281 is a deficient number, since it is larger than the sum of its proper divisors (4865623).

115002281 is a wasteful number, since it uses less digits than its factorization.

115002281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36151.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 115002281 is about 10723.9116464096. The cubic root of 115002281 is about 486.2976282695.

Adding to 115002281 its reverse (182200511), we get a palindrome (297202792).

The spelling of 115002281 in words is "one hundred fifteen million, two thousand, two hundred eighty-one".

Divisors: 1 31 103 3193 36017 1116527 3709751 115002281