Base | Representation |
---|---|
bin | 10001110111010… |
… | …10100100010100 |
3 | 101102222121022210 |
4 | 20323222210110 |
5 | 301330433310 |
6 | 22511553420 |
7 | 3466530324 |
oct | 1073524424 |
9 | 342877283 |
10 | 149858580 |
11 | 77655a73 |
12 | 4222b870 |
13 | 2507c721 |
14 | 15c8d284 |
15 | d252820 |
hex | 8eea914 |
149858580 has 48 divisors (see below), whose sum is σ = 420981120. Its totient is φ = 39831168.
The previous prime is 149858549. The next prime is 149858609. The reversal of 149858580 is 85858941.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 15081 + ... + 22959.
It is an arithmetic number, because the mean of its divisors is an integer number (8770440).
Almost surely, 2149858580 is an apocalyptic number.
149858580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149858580 is an abundant number, since it is smaller than the sum of its proper divisors (271122540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149858580 is a wasteful number, since it uses less digits than its factorization.
149858580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8208 (or 8206 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 48.
The square root of 149858580 is about 12241.6739051488. The cubic root of 149858580 is about 531.1622530047.
The spelling of 149858580 in words is "one hundred forty-nine million, eight hundred fifty-eight thousand, five hundred eighty".
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