Base | Representation |
---|---|
bin | 10010000001001… |
… | …11000100101001 |
3 | 101112102110122210 |
4 | 21000213010221 |
5 | 302143424420 |
6 | 22555435333 |
7 | 3513540042 |
oct | 1100470451 |
9 | 345373583 |
10 | 151154985 |
11 | 78360a83 |
12 | 42755b49 |
13 | 25414827 |
14 | 161098c9 |
15 | d40b9e0 |
hex | 9027129 |
151154985 has 16 divisors (see below), whose sum is σ = 242383680. Its totient is φ = 80437440.
The previous prime is 151154981. The next prime is 151154999. The reversal of 151154985 is 589451151.
It is a happy number.
It is not a de Polignac number, because 151154985 - 22 = 151154981 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (151154981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015 + ... + 17844.
It is an arithmetic number, because the mean of its divisors is an integer number (15148980).
Almost surely, 2151154985 is an apocalyptic number.
151154985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
151154985 is a deficient number, since it is larger than the sum of its proper divisors (91228695).
151154985 is a wasteful number, since it uses less digits than its factorization.
151154985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22328.
The product of its digits is 36000, while the sum is 39.
The square root of 151154985 is about 12294.5103603194. The cubic root of 151154985 is about 532.6895267522.
It can be divided in two parts, 15115 and 4985, that added together give a triangular number (20100 = T200).
The spelling of 151154985 in words is "one hundred fifty-one million, one hundred fifty-four thousand, nine hundred eighty-five".
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