Base | Representation |
---|---|
bin | 1010110001010… |
… | …01110101011111 |
3 | 20022000012101101 |
4 | 11120221311133 |
5 | 141112131040 |
6 | 12544253531 |
7 | 2144644600 |
oct | 530516537 |
9 | 208005341 |
10 | 90348895 |
11 | 46aaa50a |
12 | 263112a7 |
13 | 159449b0 |
14 | bddbda7 |
15 | 7dea09a |
hex | 5629d5f |
90348895 has 48 divisors (see below), whose sum is σ = 143065440. Its totient is φ = 54141696.
The previous prime is 90348877. The next prime is 90348917. The reversal of 90348895 is 59884309.
It is not a de Polignac number, because 90348895 - 223 = 81960287 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59769 + ... + 61261.
It is an arithmetic number, because the mean of its divisors is an integer number (2980530).
Almost surely, 290348895 is an apocalyptic number.
90348895 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
90348895 is a deficient number, since it is larger than the sum of its proper divisors (52716545).
90348895 is a wasteful number, since it uses less digits than its factorization.
90348895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1544 (or 1537 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 46.
The square root of 90348895 is about 9505.2035748847. The cubic root of 90348895 is about 448.7188167436.
The spelling of 90348895 in words is "ninety million, three hundred forty-eight thousand, eight hundred ninety-five".
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