Base | Representation |
---|---|
bin | 10010010111001… |
… | …01100011001010 |
3 | 101201211122122010 |
4 | 21023211203022 |
5 | 303413013310 |
6 | 23141240350 |
7 | 3550152564 |
oct | 1113454312 |
9 | 351748563 |
10 | 154032330 |
11 | 79a46851 |
12 | 437030b6 |
13 | 25bb13ba |
14 | 16658334 |
15 | d7c9320 |
hex | 92e58ca |
154032330 has 64 divisors (see below), whose sum is σ = 378069120. Its totient is φ = 40153344.
The previous prime is 154032323. The next prime is 154032341. The reversal of 154032330 is 33230451.
It is a junction number, because it is equal to n+sod(n) for n = 154032297 and 154032306.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 395776 + ... + 396164.
It is an arithmetic number, because the mean of its divisors is an integer number (5907330).
Almost surely, 2154032330 is an apocalyptic number.
154032330 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 154032330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189034560).
154032330 is an abundant number, since it is smaller than the sum of its proper divisors (224036790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154032330 is a wasteful number, since it uses less digits than its factorization.
154032330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 663.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 154032330 is about 12410.9761904534. The cubic root of 154032330 is about 536.0483476289.
Adding to 154032330 its reverse (33230451), we get a palindrome (187262781).
The spelling of 154032330 in words is "one hundred fifty-four million, thirty-two thousand, three hundred thirty".
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