Base | Representation |
---|---|
bin | 1010101110100… |
… | …11111010101010 |
3 | 20021100022122010 |
4 | 11113103322222 |
5 | 141014400340 |
6 | 12532540350 |
7 | 2141650560 |
oct | 527237252 |
9 | 207308563 |
10 | 89996970 |
11 | 4688a068 |
12 | 261816b6 |
13 | 1585075b |
14 | bd49a30 |
15 | 7d7ab80 |
hex | 55d3eaa |
89996970 has 32 divisors (see below), whose sum is σ = 246849408. Its totient is φ = 20570688.
The previous prime is 89996923. The next prime is 89996981. The reversal of 89996970 is 7969998.
It is a self number, because there is not a number n which added to its sum of digits gives 89996970.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214069 + ... + 214488.
It is an arithmetic number, because the mean of its divisors is an integer number (7714044).
Almost surely, 289996970 is an apocalyptic number.
89996970 is an abundant number, since it is smaller than the sum of its proper divisors (156852438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89996970 is a wasteful number, since it uses less digits than its factorization.
89996970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428574.
The product of its (nonzero) digits is 2204496, while the sum is 57.
The square root of 89996970 is about 9486.6732841392. The cubic root of 89996970 is about 448.1354454673.
The spelling of 89996970 in words is "eighty-nine million, nine hundred ninety-six thousand, nine hundred seventy".
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