| Base | Representation |
|---|---|
| bin | 1010100011100… |
| … | …10110011110000 |
| 3 | 20011121211122100 |
| 4 | 11101302303300 |
| 5 | 140132110030 |
| 6 | 12441540400 |
| 7 | 2123445063 |
| oct | 521626360 |
| 9 | 204554570 |
| 10 | 88550640 |
| 11 | 45a91452 |
| 12 | 257a4700 |
| 13 | 15465339 |
| 14 | ba908da |
| 15 | 7b92360 |
| hex | 5472cf0 |
88550640 has 120 divisors (see below), whose sum is σ = 313082640. Its totient is φ = 22367232.
The previous prime is 88550633. The next prime is 88550641. The reversal of 88550640 is 4605588.
It is a happy number.
88550640 is a `hidden beast` number, since 8 + 8 + 5 + 5 + 0 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 88550595 and 88550604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88550641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10444 + ... + 16916.
It is an arithmetic number, because the mean of its divisors is an integer number (2609022).
Almost surely, 288550640 is an apocalyptic number.
88550640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88550640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156541320).
88550640 is an abundant number, since it is smaller than the sum of its proper divisors (224532000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88550640 is a wasteful number, since it uses less digits than its factorization.
88550640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6511 (or 6502 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 88550640 is about 9410.1349618377. The cubic root of 88550640 is about 445.7218264433.
The spelling of 88550640 in words is "eighty-eight million, five hundred fifty thousand, six hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •