Base | Representation |
---|---|
bin | 10010010111111… |
… | …10101001010000 |
3 | 101202000212122011 |
4 | 21023332221100 |
5 | 303424310440 |
6 | 23143352304 |
7 | 3551061346 |
oct | 1113765120 |
9 | 352025564 |
10 | 154135120 |
11 | 7a006aa7 |
12 | 43752694 |
13 | 25c19119 |
14 | 16683996 |
15 | d7e99ea |
hex | 92fea50 |
154135120 has 40 divisors (see below), whose sum is σ = 363287016. Its totient is φ = 60807168.
The previous prime is 154135103. The next prime is 154135123. The reversal of 154135120 is 21531451.
It is a happy number.
154135120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 15555136 + 138579984 = 3944^2 + 11772^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 154135091 and 154135100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154135123) 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, 7357 + ... + 19036.
Almost surely, 2154135120 is an apocalyptic number.
154135120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154135120 is an abundant number, since it is smaller than the sum of its proper divisors (209151896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154135120 is a wasteful number, since it uses less digits than its factorization.
154135120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26479 (or 26473 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 154135120 is about 12415.1165922838. The cubic root of 154135120 is about 536.1675610380.
Adding to 154135120 its reverse (21531451), we get a palindrome (175666571).
The spelling of 154135120 in words is "one hundred fifty-four million, one hundred thirty-five thousand, one hundred twenty".
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