Base | Representation |
---|---|
bin | 10010010111110… |
… | …01101101001010 |
3 | 101201222211212220 |
4 | 21023321231022 |
5 | 303423134030 |
6 | 23143114510 |
7 | 3550645356 |
oct | 1113715512 |
9 | 351884786 |
10 | 154114890 |
11 | 79aa2886 |
12 | 43742a36 |
13 | 25c0cb57 |
14 | 1667a466 |
15 | d7e3a10 |
hex | 92f9b4a |
154114890 has 64 divisors (see below), whose sum is σ = 393344640. Its totient is φ = 38534400.
The previous prime is 154114889. The next prime is 154114907. The reversal of 154114890 is 98411451.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56232 + ... + 58908.
It is an arithmetic number, because the mean of its divisors is an integer number (6146010).
Almost surely, 2154114890 is an apocalyptic number.
154114890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 154114890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196672320).
154114890 is an abundant number, since it is smaller than the sum of its proper divisors (239229750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154114890 is a wasteful number, since it uses less digits than its factorization.
154114890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2807.
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 154114890 is about 12414.3018329667. The cubic root of 154114890 is about 536.1441029528.
It can be divided in two parts, 15411 and 4890, that added together give a triangular number (20301 = T201).
The spelling of 154114890 in words is "one hundred fifty-four million, one hundred fourteen thousand, eight hundred ninety".
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