Base | Representation |
---|---|
bin | 10010000100010… |
… | …00110111100010 |
3 | 101120011211010200 |
4 | 21002020313202 |
5 | 302244234204 |
6 | 23012210030 |
7 | 3520125633 |
oct | 1102106742 |
9 | 346154120 |
10 | 151555554 |
11 | 78604a27 |
12 | 42909916 |
13 | 25524c57 |
14 | 161b188a |
15 | d48a539 |
hex | 9088de2 |
151555554 has 24 divisors (see below), whose sum is σ = 330468060. Its totient is φ = 50195808.
The previous prime is 151555553. The next prime is 151555583. The reversal of 151555554 is 455555151.
151555554 is a `hidden beast` number, since 1 + 51 + 5 + 55 + 554 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 147258225 + 4297329 = 12135^2 + 2073^2 .
It is not an unprimeable number, because it can be changed into a prime (151555553) 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 11 ways as a sum of consecutive naturals, for example, 23989 + ... + 29640.
Almost surely, 2151555554 is an apocalyptic number.
151555554 is an abundant number, since it is smaller than the sum of its proper divisors (178912506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151555554 is a wasteful number, since it uses less digits than its factorization.
151555554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53794 (or 53791 counting only the distinct ones).
The product of its digits is 62500, while the sum is 36.
The square root of 151555554 is about 12310.7901452344. The cubic root of 151555554 is about 533.1596638534.
The spelling of 151555554 in words is "one hundred fifty-one million, five hundred fifty-five thousand, five hundred fifty-four".
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