Base | Representation |
---|---|
bin | 100010001110… |
… | …011011110110 |
3 | 121212211022010 |
4 | 202032123312 |
5 | 4244101042 |
6 | 520145050 |
7 | 136155333 |
oct | 42163366 |
9 | 17784263 |
10 | 8972022 |
11 | 50788a4 |
12 | 3008186 |
13 | 1b219b7 |
14 | 129798a |
15 | bc359c |
hex | 88e6f6 |
8972022 has 16 divisors (see below), whose sum is σ = 18999792. Its totient is φ = 2814720.
The previous prime is 8971979. The next prime is 8972023. The reversal of 8972022 is 2202798.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8972023) 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 7 ways as a sum of consecutive naturals, for example, 43879 + ... + 44082.
It is an arithmetic number, because the mean of its divisors is an integer number (1187487).
Almost surely, 28972022 is an apocalyptic number.
8972022 is an abundant number, since it is smaller than the sum of its proper divisors (10027770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8972022 is a wasteful number, since it uses less digits than its factorization.
8972022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87983.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 8972022 is about 2995.3333704281. Note that the first 4 decimals coincide. The cubic root of 8972022 is about 207.7926156602.
The spelling of 8972022 in words is "eight million, nine hundred seventy-two thousand, twenty-two".
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