Base | Representation |
---|---|
bin | 10001110101100… |
… | …00001011010000 |
3 | 101102112110020120 |
4 | 20322300023100 |
5 | 301300310113 |
6 | 22502510240 |
7 | 3464513121 |
oct | 1072601320 |
9 | 342473216 |
10 | 149619408 |
11 | 77502304 |
12 | 42135380 |
13 | 24cc78c3 |
14 | 15c2a048 |
15 | d206a23 |
hex | 8eb02d0 |
149619408 has 20 divisors (see below), whose sum is σ = 386516928. Its totient is φ = 49873120.
The previous prime is 149619401. The next prime is 149619409. The reversal of 149619408 is 804916941.
It is a self number, because there is not a number n which added to its sum of digits gives 149619408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149619401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558488 + ... + 1558583.
Almost surely, 2149619408 is an apocalyptic number.
It is an amenable number.
149619408 is an abundant number, since it is smaller than the sum of its proper divisors (236897520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149619408 is a wasteful number, since it uses less digits than its factorization.
149619408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3117082 (or 3117076 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 149619408 is about 12231.9012422436. The cubic root of 149619408 is about 530.8795269338.
The spelling of 149619408 in words is "one hundred forty-nine million, six hundred nineteen thousand, four hundred eight".
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