Base | Representation |
---|---|
bin | 10010010111100… |
… | …11011100000000 |
3 | 101201221112200000 |
4 | 21023303130000 |
5 | 303421323331 |
6 | 23142400000 |
7 | 3550510461 |
oct | 1113633400 |
9 | 351845600 |
10 | 154089216 |
11 | 79a85566 |
12 | 43730000 |
13 | 25c01268 |
14 | 16670d68 |
15 | d7db0e6 |
hex | 92f3700 |
154089216 has 108 divisors (see below), whose sum is σ = 460917912. Its totient is φ = 51342336.
The previous prime is 154089181. The next prime is 154089217. The reversal of 154089216 is 612980451.
It is a tau number, because it is divible by the number of its divisors (108).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154089217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60970 + ... + 63446.
Almost surely, 2154089216 is an apocalyptic number.
154089216 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 154089216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230458956).
154089216 is an abundant number, since it is smaller than the sum of its proper divisors (306828696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154089216 is an frugal number, since it uses more digits than its factorization.
154089216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2508 (or 2482 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 154089216 is about 12413.2677406072. The cubic root of 154089216 is about 536.1143292169.
The spelling of 154089216 in words is "one hundred fifty-four million, eighty-nine thousand, two hundred sixteen".
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