Base | Representation |
---|---|
bin | 10010000010001… |
… | …00010000110001 |
3 | 101112122112122221 |
4 | 21001010100301 |
5 | 302211241140 |
6 | 23002201041 |
7 | 3514545442 |
oct | 1101042061 |
9 | 345575587 |
10 | 151274545 |
11 | 78432894 |
12 | 427b3181 |
13 | 25457086 |
14 | 1613b2c9 |
15 | d43214a |
hex | 9044431 |
151274545 has 8 divisors (see below), whose sum is σ = 181607400. Its totient is φ = 120967680.
The previous prime is 151274533. The next prime is 151274573. The reversal of 151274545 is 545472151.
It can be written as a sum of positive squares in 4 ways, for example, as 46662561 + 104611984 = 6831^2 + 10228^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-151274545 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 151274545.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10231 + ... + 20179.
It is an arithmetic number, because the mean of its divisors is an integer number (22700925).
Almost surely, 2151274545 is an apocalyptic number.
It is an amenable number.
151274545 is a deficient number, since it is larger than the sum of its proper divisors (30332855).
151274545 is an equidigital number, since it uses as much as digits as its factorization.
151274545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12995.
The product of its digits is 28000, while the sum is 34.
The square root of 151274545 is about 12299.3717319219. The cubic root of 151274545 is about 532.8299379890.
The spelling of 151274545 in words is "one hundred fifty-one million, two hundred seventy-four thousand, five hundred forty-five".
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