Base | Representation |
---|---|
bin | 10001110111110… |
… | …11011010011100 |
3 | 101110010002222100 |
4 | 20323323122130 |
5 | 301340140310 |
6 | 22513245100 |
7 | 3500235435 |
oct | 1073733234 |
9 | 343102870 |
10 | 149927580 |
11 | 776a28a0 |
12 | 42263790 |
13 | 250a4c5a |
14 | 15caa48c |
15 | d267ec0 |
hex | 8efb69c |
149927580 has 72 divisors (see below), whose sum is σ = 496130544. Its totient is φ = 36345600.
The previous prime is 149927567. The next prime is 149927587. The reversal of 149927580 is 85729941.
149927580 is a `hidden beast` number, since 1 + 49 + 9 + 27 + 580 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149927587) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35881 + ... + 39840.
It is an arithmetic number, because the mean of its divisors is an integer number (6890702).
Almost surely, 2149927580 is an apocalyptic number.
149927580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149927580 is an abundant number, since it is smaller than the sum of its proper divisors (346202964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149927580 is a wasteful number, since it uses less digits than its factorization.
149927580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75747 (or 75742 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The square root of 149927580 is about 12244.4918228565. The cubic root of 149927580 is about 531.2437622336.
It can be divided in two parts, 149 and 927580, that added together give a palindrome (927729).
The spelling of 149927580 in words is "one hundred forty-nine million, nine hundred twenty-seven thousand, five hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •