Base | Representation |
---|---|
bin | 1010011000001… |
… | …01001110001101 |
3 | 20001210202112111 |
4 | 11030011032031 |
5 | 134241200242 |
6 | 12345504021 |
7 | 2104640260 |
oct | 514051615 |
9 | 201722474 |
10 | 87053197 |
11 | 451593a0 |
12 | 251a2011 |
13 | 1505c88a |
14 | b7c0cd7 |
15 | 7998817 |
hex | 530538d |
87053197 has 8 divisors (see below), whose sum is σ = 108533952. Its totient is φ = 67833600.
The previous prime is 87053191. The next prime is 87053201. The reversal of 87053197 is 79135078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87053197 - 27 = 87053069 is a prime.
It is a super-3 number, since 3×870531973 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87053191) 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, 565204 + ... + 565357.
It is an arithmetic number, because the mean of its divisors is an integer number (13566744).
Almost surely, 287053197 is an apocalyptic number.
It is an amenable number.
87053197 is a deficient number, since it is larger than the sum of its proper divisors (21480755).
87053197 is a wasteful number, since it uses less digits than its factorization.
87053197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130579.
The product of its (nonzero) digits is 52920, while the sum is 40.
The square root of 87053197 is about 9330.2302758292. The cubic root of 87053197 is about 443.1950573466.
The spelling of 87053197 in words is "eighty-seven million, fifty-three thousand, one hundred ninety-seven".
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