Base | Representation |
---|---|
bin | 1010101111110… |
… | …01110011100111 |
3 | 20021122012112011 |
4 | 11113321303213 |
5 | 141034332132 |
6 | 12540135051 |
7 | 2143165210 |
oct | 527716347 |
9 | 207565464 |
10 | 90152167 |
11 | 46985726 |
12 | 26237487 |
13 | 158a62a1 |
14 | bd8a407 |
15 | 7dabb47 |
hex | 55f9ce7 |
90152167 has 4 divisors (see below), whose sum is σ = 103031056. Its totient is φ = 77273280.
The previous prime is 90152159. The next prime is 90152219. The reversal of 90152167 is 76125109.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 90152167 - 23 = 90152159 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 (90152107) 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, 6439434 + ... + 6439447.
It is an arithmetic number, because the mean of its divisors is an integer number (25757764).
Almost surely, 290152167 is an apocalyptic number.
90152167 is a deficient number, since it is larger than the sum of its proper divisors (12878889).
90152167 is a wasteful number, since it uses less digits than its factorization.
90152167 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12878888.
The product of its (nonzero) digits is 3780, while the sum is 31.
The square root of 90152167 is about 9494.8494985439. The cubic root of 90152167 is about 448.3928961217.
The spelling of 90152167 in words is "ninety million, one hundred fifty-two thousand, one hundred sixty-seven".
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