Base | Representation |
---|---|
bin | 10001111110100… |
… | …00100001101011 |
3 | 101111202110101101 |
4 | 20333100201223 |
5 | 302101103431 |
6 | 22544102231 |
7 | 3510532402 |
oct | 1077204153 |
9 | 344673341 |
10 | 150800491 |
11 | 78139706 |
12 | 42604977 |
13 | 2531c37a |
14 | 16056639 |
15 | d38b961 |
hex | 8fd086b |
150800491 has 4 divisors (see below), whose sum is σ = 150853000. Its totient is φ = 150747984.
The previous prime is 150800483. The next prime is 150800561. The reversal of 150800491 is 194008051.
It is a happy number.
150800491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194008051 = 97 ⋅2000083.
It is a cyclic number.
It is not a de Polignac number, because 150800491 - 23 = 150800483 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (150800411) 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, 21681 + ... + 27778.
It is an arithmetic number, because the mean of its divisors is an integer number (37713250).
Almost surely, 2150800491 is an apocalyptic number.
150800491 is a deficient number, since it is larger than the sum of its proper divisors (52509).
150800491 is an equidigital number, since it uses as much as digits as its factorization.
150800491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52508.
The product of its (nonzero) digits is 1440, while the sum is 28.
The square root of 150800491 is about 12280.0851381413. The cubic root of 150800491 is about 532.2727733677.
The spelling of 150800491 in words is "one hundred fifty million, eight hundred thousand, four hundred ninety-one".
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