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150020240 = 24517472347
BaseRepresentation
bin10001111000100…
…10000010010000
3101110021211002012
420330102002100
5301401121430
622515242052
73501102536
oct1074220220
9343254065
10150020240
1177756477
12422a9328
1325108196
1415cd2156
15d285695
hex8f12090

150020240 has 80 divisors (see below), whose sum is σ = 377332992. Its totient is φ = 55252992.

The previous prime is 150020209. The next prime is 150020243. The reversal of 150020240 is 42020051.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (150020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62747 + ... + 65093.

Almost surely, 2150020240 is an apocalyptic number.

150020240 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 150020240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188666496).

150020240 is an abundant number, since it is smaller than the sum of its proper divisors (227312752).

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

150020240 is a wasteful number, since it uses less digits than its factorization.

150020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 150020240 is about 12248.2749805840. The cubic root of 150020240 is about 531.3531815270.

Adding to 150020240 its reverse (42020051), we get a palindrome (192040291).

The spelling of 150020240 in words is "one hundred fifty million, twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 47 68 80 85 94 136 170 188 235 272 340 376 470 680 752 799 940 1360 1598 1880 2347 3196 3760 3995 4694 6392 7990 9388 11735 12784 15980 18776 23470 31960 37552 39899 46940 63920 79798 93880 110309 159596 187760 199495 220618 319192 398990 441236 551545 638384 797980 882472 1103090 1595960 1764944 1875253 2206180 3191920 3750506 4412360 7501012 8824720 9376265 15002024 18752530 30004048 37505060 75010120 150020240