Base | Representation |
---|---|
bin | 1010100001110… |
… | …01100000111101 |
3 | 20011011220201200 |
4 | 11100321200331 |
5 | 140102102330 |
6 | 12432530113 |
7 | 2121446643 |
oct | 520714075 |
9 | 204156650 |
10 | 88315965 |
11 | 45941101 |
12 | 256b0939 |
13 | 153b258a |
14 | ba2d193 |
15 | 7b47a60 |
hex | 543983d |
88315965 has 12 divisors (see below), whose sum is σ = 153081084. Its totient is φ = 47101824.
The previous prime is 88315957. The next prime is 88315973. The reversal of 88315965 is 56951388.
It is an interprime number because it is at equal distance from previous prime (88315957) and next prime (88315973).
It can be written as a sum of positive squares in 2 ways, for example, as 21288996 + 67026969 = 4614^2 + 8187^2 .
It is not a de Polignac number, because 88315965 - 23 = 88315957 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1962577 = 88315965 / (8 + 8 + 3 + 1 + 5 + 9 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 88315965.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981244 + ... + 981333.
It is an arithmetic number, because the mean of its divisors is an integer number (12756757).
Almost surely, 288315965 is an apocalyptic number.
It is an amenable number.
88315965 is a deficient number, since it is larger than the sum of its proper divisors (64765119).
88315965 is a wasteful number, since it uses less digits than its factorization.
88315965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1962588 (or 1962585 counting only the distinct ones).
The product of its digits is 259200, while the sum is 45.
The square root of 88315965 is about 9397.6574208682. The cubic root of 88315965 is about 445.3277306333.
The spelling of 88315965 in words is "eighty-eight million, three hundred fifteen thousand, nine hundred sixty-five".
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