Base | Representation |
---|---|
bin | 10001110111100… |
… | …11100101101010 |
3 | 101110001111000022 |
4 | 20323303211222 |
5 | 301333124110 |
6 | 22512440442 |
7 | 3500043131 |
oct | 1073634552 |
9 | 343044008 |
10 | 149895530 |
11 | 77680804 |
12 | 42249122 |
13 | 250934a5 |
14 | 15c9c918 |
15 | d25d755 |
hex | 8ef396a |
149895530 has 8 divisors (see below), whose sum is σ = 269811972. Its totient is φ = 59958208.
The previous prime is 149895479. The next prime is 149895539. The reversal of 149895530 is 35598941.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 121198081 + 28697449 = 11009^2 + 5357^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (149895539) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7494767 + ... + 7494786.
Almost surely, 2149895530 is an apocalyptic number.
149895530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
149895530 is a deficient number, since it is larger than the sum of its proper divisors (119916442).
149895530 is a wasteful number, since it uses less digits than its factorization.
149895530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14989560.
The product of its (nonzero) digits is 194400, while the sum is 44.
The square root of 149895530 is about 12243.1830011644. The cubic root of 149895530 is about 531.2059048983.
The spelling of 149895530 in words is "one hundred forty-nine million, eight hundred ninety-five thousand, five hundred thirty".
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