Base | Representation |
---|---|
bin | 10010011000111… |
… | …11001100000100 |
3 | 101202021122111012 |
4 | 21030133030010 |
5 | 303443042140 |
6 | 23150301352 |
7 | 3552155105 |
oct | 1114371404 |
9 | 352248435 |
10 | 154268420 |
11 | 7a098169 |
12 | 437b7858 |
13 | 25c649b7 |
14 | 166ba3ac |
15 | d824265 |
hex | 931f304 |
154268420 has 24 divisors (see below), whose sum is σ = 324397248. Its totient is φ = 61624800.
The previous prime is 154268419. The next prime is 154268423. The reversal of 154268420 is 24862451.
It is not an unprimeable number, because it can be changed into a prime (154268423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11465 + ... + 20975.
It is an arithmetic number, because the mean of its divisors is an integer number (13516552).
Almost surely, 2154268420 is an apocalyptic number.
154268420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154268420 is an abundant number, since it is smaller than the sum of its proper divisors (170128828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154268420 is a wasteful number, since it uses less digits than its factorization.
154268420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10331 (or 10329 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 32.
The square root of 154268420 is about 12420.4838875142. The cubic root of 154268420 is about 536.3220803162.
The spelling of 154268420 in words is "one hundred fifty-four million, two hundred sixty-eight thousand, four hundred twenty".
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