Base | Representation |
---|---|
bin | 10001110000111… |
… | …10100010000000 |
3 | 101101102010220202 |
4 | 20320132202000 |
5 | 301122212343 |
6 | 22442024332 |
7 | 3456446642 |
oct | 1070364200 |
9 | 341363822 |
10 | 149022848 |
11 | 77135087 |
12 | 41aa80a8 |
13 | 24b49200 |
14 | 15b12892 |
15 | d139db8 |
hex | 8e1e880 |
149022848 has 72 divisors (see below), whose sum is σ = 325395045. Its totient is φ = 67951104.
The previous prime is 149022847. The next prime is 149022869. The reversal of 149022848 is 848220941.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 127418944 + 21603904 = 11288^2 + 4648^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8632.
It is a super-2 number, since 2×1490228482 = 44415618452062208, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (149022847) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1795415 + ... + 1795497.
Almost surely, 2149022848 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 149022848
149022848 is an abundant number, since it is smaller than the sum of its proper divisors (176372197).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149022848 is an frugal number, since it uses more digits than its factorization.
149022848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206 (or 98 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 149022848 is about 12207.4914704046. The cubic root of 149022848 is about 530.1730157815.
The spelling of 149022848 in words is "one hundred forty-nine million, twenty-two thousand, eight hundred forty-eight".
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