Base | Representation |
---|---|
bin | 10001110110010… |
… | …01111101110010 |
3 | 101102201211010221 |
4 | 20323021331302 |
5 | 301312200132 |
6 | 22505043254 |
7 | 3465433105 |
oct | 1073117562 |
9 | 342654127 |
10 | 149725042 |
11 | 77574705 |
12 | 4218652a |
13 | 250339cc |
14 | 15c5673c |
15 | d227e97 |
hex | 8ec9f72 |
149725042 has 8 divisors (see below), whose sum is σ = 224861616. Its totient is φ = 74771172.
The previous prime is 149725039. The next prime is 149725063. The reversal of 149725042 is 240527941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 149724989 and 149725007.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43608 + ... + 46915.
It is an arithmetic number, because the mean of its divisors is an integer number (28107702).
Almost surely, 2149725042 is an apocalyptic number.
149725042 is a deficient number, since it is larger than the sum of its proper divisors (75136574).
149725042 is an equidigital number, since it uses as much as digits as its factorization.
149725042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91352.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 149725042 is about 12236.2184517930. The cubic root of 149725042 is about 531.0044343824.
The spelling of 149725042 in words is "one hundred forty-nine million, seven hundred twenty-five thousand, forty-two".
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