Base | Representation |
---|---|
bin | 1010101100101… |
… | …11001001101000 |
3 | 20020212200012200 |
4 | 11112113021220 |
5 | 140433414242 |
6 | 12523340200 |
7 | 2136563121 |
oct | 526271150 |
9 | 206780180 |
10 | 89748072 |
11 | 4672a067 |
12 | 26081660 |
13 | 1579438b |
14 | bcc3048 |
15 | 7d2c04c |
hex | 5597268 |
89748072 has 24 divisors (see below), whose sum is σ = 243067890. Its totient is φ = 29916000.
The previous prime is 89748059. The next prime is 89748079. The reversal of 89748072 is 27084798.
It can be written as a sum of positive squares in only one way, i.e., 68459076 + 21288996 = 8274^2 + 4614^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is not an unprimeable number, because it can be changed into a prime (89748079) 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 5 ways as a sum of consecutive naturals, for example, 623179 + ... + 623322.
Almost surely, 289748072 is an apocalyptic number.
It is an amenable number.
89748072 is an abundant number, since it is smaller than the sum of its proper divisors (153319818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89748072 is a wasteful number, since it uses less digits than its factorization.
89748072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1246513 (or 1246506 counting only the distinct ones).
The product of its (nonzero) digits is 225792, while the sum is 45.
The square root of 89748072 is about 9473.5459042536. The cubic root of 89748072 is about 447.7219389519.
The spelling of 89748072 in words is "eighty-nine million, seven hundred forty-eight thousand, seventy-two".
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