Base | Representation |
---|---|
bin | 1010011111000… |
… | …01101001101101 |
3 | 20010111122001111 |
4 | 11033201221231 |
5 | 140004043302 |
6 | 12421112021 |
7 | 2115420466 |
oct | 517415155 |
9 | 203448044 |
10 | 87956077 |
11 | 45715780 |
12 | 25558611 |
13 | 152b7821 |
14 | b977d6d |
15 | 7ac60d7 |
hex | 53e1a6d |
87956077 has 8 divisors (see below), whose sum is σ = 96223680. Its totient is φ = 79733760.
The previous prime is 87956069. The next prime is 87956081. The reversal of 87956077 is 77065978.
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 87956077 - 23 = 87956069 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87956077.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87956017) 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, 7188 + ... + 15085.
It is an arithmetic number, because the mean of its divisors is an integer number (12027960).
Almost surely, 287956077 is an apocalyptic number.
It is an amenable number.
87956077 is a deficient number, since it is larger than the sum of its proper divisors (8267603).
87956077 is a wasteful number, since it uses less digits than its factorization.
87956077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22643.
The product of its (nonzero) digits is 740880, while the sum is 49.
The square root of 87956077 is about 9378.4901236820. The cubic root of 87956077 is about 444.7220028607.
The spelling of 87956077 in words is "eighty-seven million, nine hundred fifty-six thousand, seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •