Base | Representation |
---|---|
bin | 1010011001101… |
… | …00100001111101 |
3 | 20002011121100101 |
4 | 11030310201331 |
5 | 134313400343 |
6 | 12354001101 |
7 | 2106405232 |
oct | 514644175 |
9 | 202147311 |
10 | 87246973 |
11 | 45280a40 |
12 | 25276191 |
13 | 150c9b38 |
14 | b831789 |
15 | 79d5e4d |
hex | 533487d |
87246973 has 8 divisors (see below), whose sum is σ = 95659200. Its totient is φ = 78914880.
The previous prime is 87246953. The next prime is 87246977. The reversal of 87246973 is 37964278.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-87246973 is a prime.
It is a super-2 number, since 2×872469732 = 15224068595325458, which contains 22 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 (87246977) 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, 17740 + ... + 22117.
It is an arithmetic number, because the mean of its divisors is an integer number (11957400).
Almost surely, 287246973 is an apocalyptic number.
It is an amenable number.
87246973 is a deficient number, since it is larger than the sum of its proper divisors (8412227).
87246973 is a wasteful number, since it uses less digits than its factorization.
87246973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40067.
The product of its digits is 508032, while the sum is 46.
The square root of 87246973 is about 9340.6088131342. The cubic root of 87246973 is about 443.5236568893.
The spelling of 87246973 in words is "eighty-seven million, two hundred forty-six thousand, nine hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •