Base | Representation |
---|---|
bin | 1010101111110… |
… | …01110101011011 |
3 | 20021122012200110 |
4 | 11113321311123 |
5 | 141034333113 |
6 | 12540135403 |
7 | 2143165434 |
oct | 527716533 |
9 | 207565613 |
10 | 90152283 |
11 | 46985821 |
12 | 26237563 |
13 | 158a6360 |
14 | bd8a48b |
15 | 7dabbc3 |
hex | 55f9d5b |
90152283 has 32 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 51929856.
The previous prime is 90152281. The next prime is 90152287. The reversal of 90152283 is 38225109.
It is a happy number.
It is not a de Polignac number, because 90152283 - 21 = 90152281 is a prime.
It is a super-2 number, since 2×901522832 = 16254868260224178, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 90152283.
It is not an unprimeable number, because it can be changed into a prime (90152281) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65266 + ... + 66632.
It is an arithmetic number, because the mean of its divisors is an integer number (4309200).
Almost surely, 290152283 is an apocalyptic number.
90152283 is a deficient number, since it is larger than the sum of its proper divisors (47742117).
90152283 is a wasteful number, since it uses less digits than its factorization.
90152283 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1491.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 90152283 is about 9494.8556071169. The cubic root of 90152283 is about 448.3930884393.
The spelling of 90152283 in words is "ninety million, one hundred fifty-two thousand, two hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.104 sec. • engine limits •