Base | Representation |
---|---|
bin | 10010011001110… |
… | …10111101000000 |
3 | 101202111102111012 |
4 | 21030322331000 |
5 | 304010212034 |
6 | 23152540052 |
7 | 3553140500 |
oct | 1114727500 |
9 | 352442435 |
10 | 154382144 |
11 | 7a165654 |
12 | 43851628 |
13 | 25ca46a7 |
14 | 16709a00 |
15 | d847cce |
hex | 933af40 |
154382144 has 84 divisors (see below), whose sum is σ = 375269760. Its totient is φ = 62657280.
The previous prime is 154382143. The next prime is 154382147. The reversal of 154382144 is 441283451.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a self number, because there is not a number n which added to its sum of digits gives 154382144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154382143) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 58289 + ... + 60879.
Almost surely, 2154382144 is an apocalyptic number.
154382144 is a gapful number since it is divisible by the number (14) 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 154382144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187634880).
154382144 is an abundant number, since it is smaller than the sum of its proper divisors (220887616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154382144 is a wasteful number, since it uses less digits than its factorization.
154382144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2636 (or 2619 counting only the distinct ones).
The product of its digits is 15360, while the sum is 32.
The square root of 154382144 is about 12425.0611266102. The cubic root of 154382144 is about 536.4538370529.
The spelling of 154382144 in words is "one hundred fifty-four million, three hundred eighty-two thousand, one hundred forty-four".
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