Base | Representation |
---|---|
bin | 1010110001010… |
… | …10100111001111 |
3 | 20022000100202022 |
4 | 11120222213033 |
5 | 141112231304 |
6 | 12544320355 |
7 | 2144660066 |
oct | 530524717 |
9 | 208010668 |
10 | 90352079 |
11 | 47001944 |
12 | 263130bb |
13 | 1594628c |
14 | bddd1dd |
15 | 7deaebe |
hex | 562a9cf |
90352079 has 4 divisors (see below), whose sum is σ = 90511440. Its totient is φ = 90192720.
The previous prime is 90352061. The next prime is 90352091. The reversal of 90352079 is 97025309.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97025309 = 521 ⋅186229.
It is a cyclic number.
It is not a de Polignac number, because 90352079 - 224 = 73574863 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 (90352019) 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, 78827 + ... + 79964.
It is an arithmetic number, because the mean of its divisors is an integer number (22627860).
Almost surely, 290352079 is an apocalyptic number.
90352079 is a deficient number, since it is larger than the sum of its proper divisors (159361).
90352079 is a wasteful number, since it uses less digits than its factorization.
90352079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 159360.
The product of its (nonzero) digits is 17010, while the sum is 35.
The square root of 90352079 is about 9505.3710606162. The cubic root of 90352079 is about 448.7240878058.
The spelling of 90352079 in words is "ninety million, three hundred fifty-two thousand, seventy-nine".
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