Base | Representation |
---|---|
bin | 10000110000111… |
… | …00000100010101 |
3 | 100210121110001211 |
4 | 20120130010111 |
5 | 241444433044 |
6 | 21542021421 |
7 | 3325166641 |
oct | 1030340425 |
9 | 323543054 |
10 | 140624149 |
11 | 72419006 |
12 | 3b117871 |
13 | 23198473 |
14 | 14967c21 |
15 | c52b634 |
hex | 861c115 |
140624149 has 16 divisors (see below), whose sum is σ = 150666880. Its totient is φ = 130870080.
The previous prime is 140624131. The next prime is 140624171. The reversal of 140624149 is 941426041.
It is a cyclic number.
It is not a de Polignac number, because 140624149 - 25 = 140624117 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 140624149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140624129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354019 + ... + 354415.
It is an arithmetic number, because the mean of its divisors is an integer number (9416680).
Almost surely, 2140624149 is an apocalyptic number.
140624149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
140624149 is a deficient number, since it is larger than the sum of its proper divisors (10042731).
140624149 is a wasteful number, since it uses less digits than its factorization.
140624149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 700.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 140624149 is about 11858.5053442666. The cubic root of 140624149 is about 520.0199067823.
The spelling of 140624149 in words is "one hundred forty million, six hundred twenty-four thousand, one hundred forty-nine".
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