Base | Representation |
---|---|
bin | 10010011010110… |
… | …10001100111100 |
3 | 101202201221001210 |
4 | 21031122030330 |
5 | 304023311030 |
6 | 23155404420 |
7 | 3554212611 |
oct | 1115321474 |
9 | 352657053 |
10 | 154510140 |
11 | 7a242834 |
12 | 438b3710 |
13 | 2601aa25 |
14 | 16740508 |
15 | d870bb0 |
hex | 935a33c |
154510140 has 96 divisors (see below), whose sum is σ = 448084224. Its totient is φ = 39754240.
The previous prime is 154510091. The next prime is 154510163. The reversal of 154510140 is 41015451.
154510140 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 is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262927 + ... + 263513.
It is an arithmetic number, because the mean of its divisors is an integer number (4667544).
Almost surely, 2154510140 is an apocalyptic number.
154510140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154510140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224042112).
154510140 is an abundant number, since it is smaller than the sum of its proper divisors (293574084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154510140 is a wasteful number, since it uses less digits than its factorization.
154510140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 747 (or 745 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 154510140 is about 12430.2107785830. The cubic root of 154510140 is about 536.6020514690.
Adding to 154510140 its reverse (41015451), we get a palindrome (195525591).
The spelling of 154510140 in words is "one hundred fifty-four million, five hundred ten thousand, one hundred forty".
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