Base | Representation |
---|---|
bin | 10010010111011… |
… | …00110000101100 |
3 | 101201220011011010 |
4 | 21023230300230 |
5 | 303414434433 |
6 | 23142025220 |
7 | 3550334652 |
oct | 1113546054 |
9 | 351804133 |
10 | 154061868 |
11 | 79a66a64 |
12 | 43718210 |
13 | 25bc198c |
14 | 16664dd2 |
15 | d7d2e63 |
hex | 92ecc2c |
154061868 has 24 divisors (see below), whose sum is σ = 359683072. Its totient is φ = 51324624.
The previous prime is 154061867. The next prime is 154061879. The reversal of 154061868 is 868160451.
It is not an unprimeable number, because it can be changed into a prime (154061867) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 32421 + ... + 36867.
Almost surely, 2154061868 is an apocalyptic number.
It is an amenable number.
154061868 is an abundant number, since it is smaller than the sum of its proper divisors (205621204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154061868 is a wasteful number, since it uses less digits than its factorization.
154061868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7341 (or 7339 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 154061868 is about 12412.1661284403. The cubic root of 154061868 is about 536.0826105313.
The spelling of 154061868 in words is "one hundred fifty-four million, sixty-one thousand, eight hundred sixty-eight".
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