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150240 = 2535313
BaseRepresentation
bin100100101011100000
321122002110
4210223200
514301430
63115320
71164006
oct445340
9248073
10150240
11a2972
1272b40
13534cc
143ca76
152e7b0
hex24ae0

150240 has 48 divisors (see below), whose sum is σ = 474768. Its totient is φ = 39936.

The previous prime is 150239. The next prime is 150247. The reversal of 150240 is 42051.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324 + ... + 636.

It is an arithmetic number, because the mean of its divisors is an integer number (9891).

2150240 is an apocalyptic number.

150240 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 150240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237384).

150240 is an abundant number, since it is smaller than the sum of its proper divisors (324528).

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

150240 is a wasteful number, since it uses less digits than its factorization.

150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 150240 is about 387.6080494520. The cubic root of 150240 is about 53.1612509210.

Adding to 150240 its reverse (42051), we get a palindrome (192291).

The spelling of 150240 in words is "one hundred fifty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 313 480 626 939 1252 1565 1878 2504 3130 3756 4695 5008 6260 7512 9390 10016 12520 15024 18780 25040 30048 37560 50080 75120 150240