Base | Representation |
---|---|
bin | 1010110000110… |
… | …11000000010111 |
3 | 20021220010001121 |
4 | 11120123000113 |
5 | 141103210101 |
6 | 12543104411 |
7 | 2144302522 |
oct | 530330027 |
9 | 207803047 |
10 | 90288151 |
11 | 46a68908 |
12 | 262a2107 |
13 | 15923155 |
14 | bdc3bb9 |
15 | 7dd70a1 |
hex | 561b017 |
90288151 has 4 divisors (see below), whose sum is σ = 93200704. Its totient is φ = 87375600.
The previous prime is 90288127. The next prime is 90288161. The reversal of 90288151 is 15188209.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15188209 = 1453 ⋅10453.
It is a cyclic number.
It is not a de Polignac number, because 90288151 - 215 = 90255383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90288101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456230 + ... + 1456291.
It is an arithmetic number, because the mean of its divisors is an integer number (23300176).
Almost surely, 290288151 is an apocalyptic number.
90288151 is a deficient number, since it is larger than the sum of its proper divisors (2912553).
90288151 is a wasteful number, since it uses less digits than its factorization.
90288151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2912552.
The product of its (nonzero) digits is 5760, while the sum is 34.
The square root of 90288151 is about 9502.0077352105. The cubic root of 90288151 is about 448.6182322756.
The spelling of 90288151 in words is "ninety million, two hundred eighty-eight thousand, one hundred fifty-one".
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