Base | Representation |
---|---|
bin | 10001110010001… |
… | …11100010011000 |
3 | 101101201200022111 |
4 | 20321013202120 |
5 | 301143101213 |
6 | 22445402104 |
7 | 3461046424 |
oct | 1071074230 |
9 | 341650274 |
10 | 149190808 |
11 | 7723a298 |
12 | 41b69334 |
13 | 24ba77b0 |
14 | 15b57b84 |
15 | d16ea3d |
hex | 8e47898 |
149190808 has 64 divisors (see below), whose sum is σ = 312752160. Its totient is φ = 66272256.
The previous prime is 149190799. The next prime is 149190823. The reversal of 149190808 is 808091941.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527035 + ... + 527317.
Almost surely, 2149190808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149190808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156376080).
149190808 is an abundant number, since it is smaller than the sum of its proper divisors (163561352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149190808 is a wasteful number, since it uses less digits than its factorization.
149190808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476 (or 472 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 40.
The square root of 149190808 is about 12214.3689153390. The cubic root of 149190808 is about 530.3721226685.
The spelling of 149190808 in words is "one hundred forty-nine million, one hundred ninety thousand, eight hundred eight".
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