Base | Representation |
---|---|
bin | 1010011011111… |
… | …01010011110000 |
3 | 20002201202021002 |
4 | 11031331103300 |
5 | 134402420242 |
6 | 12404221132 |
7 | 2112056306 |
oct | 515752360 |
9 | 202652232 |
10 | 87545072 |
11 | 454649aa |
12 | 2539a7a8 |
13 | 151a2724 |
14 | b8ac276 |
15 | 7a44432 |
hex | 537d4f0 |
87545072 has 10 divisors (see below), whose sum is σ = 169618608. Its totient is φ = 43772528.
The previous prime is 87545057. The next prime is 87545077. The reversal of 87545072 is 27054578.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87545077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2735768 + ... + 2735799.
Almost surely, 287545072 is an apocalyptic number.
It is an amenable number.
87545072 is a deficient number, since it is larger than the sum of its proper divisors (82073536).
87545072 is a wasteful number, since it uses less digits than its factorization.
87545072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5471575 (or 5471569 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 38.
The square root of 87545072 is about 9356.5523565040. The cubic root of 87545072 is about 444.0282156135.
The spelling of 87545072 in words is "eighty-seven million, five hundred forty-five thousand, seventy-two".
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