Base | Representation |
---|---|
bin | 1010110011110… |
… | …10110001101000 |
3 | 20022122001011020 |
4 | 11121322301220 |
5 | 141203233144 |
6 | 12555332440 |
7 | 2150525262 |
oct | 531726150 |
9 | 208561136 |
10 | 90680424 |
11 | 472065aa |
12 | 26451120 |
13 | 15a2c873 |
14 | c086b32 |
15 | 7e63419 |
hex | 567ac68 |
90680424 has 32 divisors (see below), whose sum is σ = 227664000. Its totient is φ = 30098432.
The previous prime is 90680423. The next prime is 90680441. The reversal of 90680424 is 42408609.
It is not an unprimeable number, because it can be changed into a prime (90680423) 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, 2169 + ... + 13640.
It is an arithmetic number, because the mean of its divisors is an integer number (7114500).
Almost surely, 290680424 is an apocalyptic number.
It is an amenable number.
90680424 is an abundant number, since it is smaller than the sum of its proper divisors (136983576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90680424 is a wasteful number, since it uses less digits than its factorization.
90680424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16057 (or 16053 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 90680424 is about 9522.6269484843. The cubic root of 90680424 is about 449.2669943085.
The spelling of 90680424 in words is "ninety million, six hundred eighty thousand, four hundred twenty-four".
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