Base | Representation |
---|---|
bin | 10001110100000… |
… | …11110110110000 |
3 | 101102012020020000 |
4 | 20322003312300 |
5 | 301224002442 |
6 | 22454550000 |
7 | 3463125633 |
oct | 1072036660 |
9 | 342166200 |
10 | 149437872 |
11 | 77398981 |
12 | 42068300 |
13 | 24c6309c |
14 | 15bbdc1a |
15 | d1bcd4c |
hex | 8e83db0 |
149437872 has 100 divisors (see below), whose sum is σ = 439227096. Its totient is φ = 49040640.
The previous prime is 149437823. The next prime is 149437891. The reversal of 149437872 is 278734941.
149437872 is a `hidden beast` number, since 149 + 437 + 8 + 72 = 666.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85972 + ... + 87692.
Almost surely, 2149437872 is an apocalyptic number.
149437872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149437872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219613548).
149437872 is an abundant number, since it is smaller than the sum of its proper divisors (289789224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149437872 is a wasteful number, since it uses less digits than its factorization.
149437872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1808 (or 1793 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The square root of 149437872 is about 12224.4783937802. The cubic root of 149437872 is about 530.6647313830.
The spelling of 149437872 in words is "one hundred forty-nine million, four hundred thirty-seven thousand, eight hundred seventy-two".
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