Base | Representation |
---|---|
bin | 10010000101110… |
… | …01110010011010 |
3 | 101120120000000000 |
4 | 21002321302122 |
5 | 302322142210 |
6 | 23020353430 |
7 | 3521622054 |
oct | 1102716232 |
9 | 346500000 |
10 | 151755930 |
11 | 78731527 |
12 | 429a5876 |
13 | 25595211 |
14 | 162248d4 |
15 | d4c9ac0 |
hex | 90b9c9a |
151755930 has 88 divisors (see below), whose sum is σ = 411333012. Its totient is φ = 40310784.
The previous prime is 151755917. The next prime is 151755931. The reversal of 151755930 is 39557151.
151755930 is a `hidden beast` number, since 1 + 517 + 55 + 93 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 141776649 + 9979281 = 11907^2 + 3159^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (151755931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 590362 + ... + 590618.
Almost surely, 2151755930 is an apocalyptic number.
151755930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151755930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205666506).
151755930 is an abundant number, since it is smaller than the sum of its proper divisors (259577082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151755930 is an frugal number, since it uses more digits than its factorization.
151755930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 267 counting only the distinct ones).
The product of its (nonzero) digits is 23625, while the sum is 36.
The square root of 151755930 is about 12318.9256836788. The cubic root of 151755930 is about 533.3945290023.
The spelling of 151755930 in words is "one hundred fifty-one million, seven hundred fifty-five thousand, nine hundred thirty".
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