Base | Representation |
---|---|
bin | 11101011111000… |
… | …10010000001111 |
3 | 122020102021120100 |
4 | 32233202100033 |
5 | 1001304421340 |
6 | 40313222143 |
7 | 6062241660 |
oct | 1657422017 |
9 | 566367510 |
10 | 247342095 |
11 | 117688860 |
12 | 6aa01953 |
13 | 3c321990 |
14 | 24bc7367 |
15 | 16aab830 |
hex | ebe240f |
247342095 has 288 divisors, whose sum is σ = 643668480. Its totient is φ = 84602880.
The previous prime is 247342093. The next prime is 247342097. The reversal of 247342095 is 590243742.
It is an interprime number because it is at equal distance from previous prime (247342093) and next prime (247342097).
It is not a de Polignac number, because 247342095 - 21 = 247342093 is a prime.
It is a super-2 number, since 2×2473420952 = 122356223917978050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (247342093) by changing a digit.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 13017996 + ... + 13018014.
It is an arithmetic number, because the mean of its divisors is an integer number (2234960).
Almost surely, 2247342095 is an apocalyptic number.
247342095 is an abundant number, since it is smaller than the sum of its proper divisors (396326385).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
247342095 is a wasteful number, since it uses less digits than its factorization.
247342095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 36.
The square root of 247342095 is about 15727.1133714996. The cubic root of 247342095 is about 627.7200658798.
The spelling of 247342095 in words is "two hundred forty-seven million, three hundred forty-two thousand, ninety-five".
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