Base | Representation |
---|---|
bin | 10010000001110… |
… | …01011011001010 |
3 | 101112120021202211 |
4 | 21000321123022 |
5 | 302203331104 |
6 | 23001215334 |
7 | 3514302145 |
oct | 1100713312 |
9 | 345507684 |
10 | 151230154 |
11 | 784024a9 |
12 | 4279154a |
13 | 2543caca |
14 | 1612905c |
15 | d423e04 |
hex | 90396ca |
151230154 has 4 divisors (see below), whose sum is σ = 226845234. Its totient is φ = 75615076.
The previous prime is 151230143. The next prime is 151230179. The reversal of 151230154 is 451032151.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451032151 = 17 ⋅26531303.
It can be written as a sum of positive squares in only one way, i.e., 108680625 + 42549529 = 10425^2 + 6523^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37807537 + ... + 37807540.
Almost surely, 2151230154 is an apocalyptic number.
151230154 is a deficient number, since it is larger than the sum of its proper divisors (75615080).
151230154 is an equidigital number, since it uses as much as digits as its factorization.
151230154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75615079.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 151230154 is about 12297.5669951418. The cubic root of 151230154 is about 532.7778138466. Note that the first 3 decimals are identical.
The spelling of 151230154 in words is "one hundred fifty-one million, two hundred thirty thousand, one hundred fifty-four".
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