Base | Representation |
---|---|
bin | 10010010111001… |
… | …11100001101110 |
3 | 101201212001202010 |
4 | 21023213201232 |
5 | 303413243210 |
6 | 23141342050 |
7 | 3550215315 |
oct | 1113474156 |
9 | 351761663 |
10 | 154040430 |
11 | 79a51945 |
12 | 43707926 |
13 | 25bb4cab |
14 | 1665b27c |
15 | d7cb920 |
hex | 92e786e |
154040430 has 32 divisors (see below), whose sum is σ = 385772544. Its totient is φ = 39291296.
The previous prime is 154040401. The next prime is 154040461. The reversal of 154040430 is 34040451.
It is a junction number, because it is equal to n+sod(n) for n = 154040397 and 154040406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110934 + ... + 112313.
It is an arithmetic number, because the mean of its divisors is an integer number (12055392).
Almost surely, 2154040430 is an apocalyptic number.
154040430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154040430 is an abundant number, since it is smaller than the sum of its proper divisors (231732114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154040430 is a wasteful number, since it uses less digits than its factorization.
154040430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223280.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 154040430 is about 12411.3025102122. The cubic root of 154040430 is about 536.0577437419.
Adding to 154040430 its sum of digits (21), we get a palindrome (154040451).
Adding to 154040430 its reverse (34040451), we get a palindrome (188080881).
The spelling of 154040430 in words is "one hundred fifty-four million, forty thousand, four hundred thirty".
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