Base | Representation |
---|---|
bin | 1010110100011… |
… | …00000110101000 |
3 | 20022202122111222 |
4 | 11122030012220 |
5 | 141213021100 |
6 | 13001041212 |
7 | 2151242225 |
oct | 532140650 |
9 | 208678458 |
10 | 90751400 |
11 | 47254963 |
12 | 26486208 |
13 | 15a55c6c |
14 | c0a494c |
15 | 7e79485 |
hex | 568c1a8 |
90751400 has 24 divisors (see below), whose sum is σ = 210997470. Its totient is φ = 36300480.
The previous prime is 90751373. The next prime is 90751447. The reversal of 90751400 is 415709.
It can be written as a sum of positive squares in 3 ways, for example, as 83210884 + 7540516 = 9122^2 + 2746^2 .
It is a super-3 number, since 3×907514003 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90751400.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226679 + ... + 227078.
Almost surely, 290751400 is an apocalyptic number.
It is an amenable number.
90751400 is an abundant number, since it is smaller than the sum of its proper divisors (120246070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90751400 is a wasteful number, since it uses less digits than its factorization.
90751400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453773 (or 453764 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 26.
The square root of 90751400 is about 9526.3529222888. The cubic root of 90751400 is about 449.3841782128.
The spelling of 90751400 in words is "ninety million, seven hundred fifty-one thousand, four hundred".
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