Base | Representation |
---|---|
bin | 10010000100001… |
… | …11100110001001 |
3 | 101120011112222202 |
4 | 21002013212021 |
5 | 302244102340 |
6 | 23012125545 |
7 | 3520104512 |
oct | 1102074611 |
9 | 346145882 |
10 | 151550345 |
11 | 78601021 |
12 | 429068b5 |
13 | 2552277b |
14 | 161ada09 |
15 | d488c15 |
hex | 9087989 |
151550345 has 4 divisors (see below), whose sum is σ = 181860420. Its totient is φ = 121240272.
The previous prime is 151550341. The next prime is 151550353. The reversal of 151550345 is 543055151.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543055151 = 8713 ⋅62327.
It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 119071744 = 5699^2 + 10912^2 .
It is a cyclic number.
It is not a de Polignac number, because 151550345 - 22 = 151550341 is a prime.
It is not an unprimeable number, because it can be changed into a prime (151550341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15155030 + ... + 15155039.
It is an arithmetic number, because the mean of its divisors is an integer number (45465105).
Almost surely, 2151550345 is an apocalyptic number.
It is an amenable number.
151550345 is a deficient number, since it is larger than the sum of its proper divisors (30310075).
151550345 is an equidigital number, since it uses as much as digits as its factorization.
151550345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30310074.
The product of its (nonzero) digits is 7500, while the sum is 29.
The square root of 151550345 is about 12310.5785810416. The cubic root of 151550345 is about 533.1535555091.
The spelling of 151550345 in words is "one hundred fifty-one million, five hundred fifty thousand, three hundred forty-five".
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