Base | Representation |
---|---|
bin | 10010011110000… |
… | …11010010000000 |
3 | 101210112210110200 |
4 | 21033003102000 |
5 | 304131044134 |
6 | 23212525200 |
7 | 3560654463 |
oct | 1117032200 |
9 | 353483420 |
10 | 154940544 |
11 | 7a507140 |
12 | 43a80800 |
13 | 2613b8c5 |
14 | 168132da |
15 | d908499 |
hex | 93c3480 |
154940544 has 96 divisors (see below), whose sum is σ = 486429840. Its totient is φ = 46947840.
The previous prime is 154940521. The next prime is 154940551. The reversal of 154940544 is 445049451.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 154940499 and 154940508.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6559 + ... + 18785.
Almost surely, 2154940544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 154940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243214920).
154940544 is an abundant number, since it is smaller than the sum of its proper divisors (331489296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154940544 is a wasteful number, since it uses less digits than its factorization.
154940544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12258 (or 12243 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 154940544 is about 12447.5115585405. The cubic root of 154940544 is about 537.0998430709.
Adding to 154940544 its reverse (445049451), we get a palindrome (599989995).
The spelling of 154940544 in words is "one hundred fifty-four million, nine hundred forty thousand, five hundred forty-four".
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