Search a number
-
+
153844320 = 25357231211
BaseRepresentation
bin10010010101101…
…11101001100000
3101201111002201210
421022313221200
5303341004240
623133230120
73545440500
oct1112675140
9351432653
10153844320
1179928573
1243632340
1325b46956
1416609a00
15d78d780
hex92b7a60

153844320 has 288 divisors, whose sum is σ = 584672256. Its totient is φ = 33868800.

The previous prime is 153844303. The next prime is 153844321. The reversal of 153844320 is 23448351.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153844321) 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 47 ways as a sum of consecutive naturals, for example, 729015 + ... + 729225.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2153844320 is an apocalyptic number.

153844320 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 153844320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292336128).

153844320 is an abundant number, since it is smaller than the sum of its proper divisors (430827936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153844320 is a wasteful number, since it uses less digits than its factorization.

153844320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 153844320 is about 12403.3995339987. The cubic root of 153844320 is about 535.8301607884.

The spelling of 153844320 in words is "one hundred fifty-three million, eight hundred forty-four thousand, three hundred twenty".