Base | Representation |
---|---|
bin | 1010011001100… |
… | …10111111100011 |
3 | 20002011021201010 |
4 | 11030302333203 |
5 | 134313200200 |
6 | 12353512003 |
7 | 2106350664 |
oct | 514627743 |
9 | 202137633 |
10 | 87240675 |
11 | 45277235 |
12 | 25272603 |
13 | 150c7002 |
14 | b82d36b |
15 | 79d4150 |
hex | 5332fe3 |
87240675 has 24 divisors (see below), whose sum is σ = 146610160. Its totient is φ = 45763200.
The previous prime is 87240667. The next prime is 87240707. The reversal of 87240675 is 57604278.
It is not a de Polignac number, because 87240675 - 23 = 87240667 is a prime.
It is a super-2 number, since 2×872406752 = 15221870748911250, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4960 + ... + 14109.
Almost surely, 287240675 is an apocalyptic number.
87240675 is a deficient number, since it is larger than the sum of its proper divisors (59369485).
87240675 is a wasteful number, since it uses less digits than its factorization.
87240675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19143 (or 19138 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 87240675 is about 9340.2716769910. The cubic root of 87240675 is about 443.5129845832.
The spelling of 87240675 in words is "eighty-seven million, two hundred forty thousand, six hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •