Base | Representation |
---|---|
bin | 1010011101100… |
… | …11111111101110 |
3 | 20010011010112022 |
4 | 11032303333232 |
5 | 134432102240 |
6 | 12413110142 |
7 | 2114011334 |
oct | 516637756 |
9 | 203133468 |
10 | 87769070 |
11 | 455a8224 |
12 | 25488352 |
13 | 1525067c |
14 | b929b54 |
15 | 7a8a9b5 |
hex | 53b3fee |
87769070 has 16 divisors (see below), whose sum is σ = 158870160. Its totient is φ = 34910784.
The previous prime is 87769043. The next prime is 87769093. The reversal of 87769070 is 7096778.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22727 + ... + 26306.
It is an arithmetic number, because the mean of its divisors is an integer number (9929385).
Almost surely, 287769070 is an apocalyptic number.
87769070 is a deficient number, since it is larger than the sum of its proper divisors (71101090).
87769070 is a wasteful number, since it uses less digits than its factorization.
87769070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49219.
The product of its (nonzero) digits is 148176, while the sum is 44.
The square root of 87769070 is about 9368.5148235993. The cubic root of 87769070 is about 444.4065986987.
The spelling of 87769070 in words is "eighty-seven million, seven hundred sixty-nine thousand, seventy".
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