Base | Representation |
---|---|
bin | 10001110001110… |
… | …00000100100000 |
3 | 101101121110102010 |
4 | 20320320010200 |
5 | 301134034311 |
6 | 22444152520 |
7 | 3460363632 |
oct | 1070700440 |
9 | 341543363 |
10 | 149127456 |
11 | 771a6735 |
12 | 41b38740 |
13 | 24b849ca |
14 | 15b3ca52 |
15 | d15ada6 |
hex | 8e38120 |
149127456 has 96 divisors (see below), whose sum is σ = 403341120. Its totient is φ = 48226304.
The previous prime is 149127439. The next prime is 149127457. The reversal of 149127456 is 654721941.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (149127457) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639916 + ... + 640148.
It is an arithmetic number, because the mean of its divisors is an integer number (4201470).
Almost surely, 2149127456 is an apocalyptic number.
149127456 is a gapful number since it is divisible by the number (16) 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 149127456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201670560).
149127456 is an abundant number, since it is smaller than the sum of its proper divisors (254213664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149127456 is a wasteful number, since it uses less digits than its factorization.
149127456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418 (or 410 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 149127456 is about 12211.7753009135. The cubic root of 149127456 is about 530.2970400897.
The spelling of 149127456 in words is "one hundred forty-nine million, one hundred twenty-seven thousand, four hundred fifty-six".
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