Base | Representation |
---|---|
bin | 1010110011111… |
… | …11111000111010 |
3 | 20022200002220000 |
4 | 11121333320322 |
5 | 141204420440 |
6 | 13000013430 |
7 | 2150643324 |
oct | 531777072 |
9 | 208602800 |
10 | 90701370 |
11 | 47220311 |
12 | 26461276 |
13 | 15a39266 |
14 | c090614 |
15 | 7e69730 |
hex | 567fe3a |
90701370 has 40 divisors (see below), whose sum is σ = 243888084. Its totient is φ = 24186816.
The previous prime is 90701363. The next prime is 90701417. The reversal of 90701370 is 7310709.
It can be written as a sum of positive squares in 2 ways, for example, as 74805201 + 15896169 = 8649^2 + 3987^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55179 + ... + 56798.
Almost surely, 290701370 is an apocalyptic number.
90701370 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
90701370 is an abundant number, since it is smaller than the sum of its proper divisors (153186714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90701370 is a wasteful number, since it uses less digits than its factorization.
90701370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111996 (or 111987 counting only the distinct ones).
The product of its (nonzero) digits is 1323, while the sum is 27.
The square root of 90701370 is about 9523.7266865445. The cubic root of 90701370 is about 449.3015832587.
It can be divided in two parts, 9070 and 1370, that added together give a triangular number (10440 = T144).
The spelling of 90701370 in words is "ninety million, seven hundred one thousand, three hundred seventy".
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