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150288440 = 235232943131
BaseRepresentation
bin10001111010100…
…11100000111000
3101110210102222112
420331103200320
5301433212230
622525111452
73503300501
oct1075234070
9343712875
10150288440
1177919a25
12423b8588
13251a0293
1415d61ba8
15d2d9d95
hex8f53838

150288440 has 128 divisors (see below), whose sum is σ = 376358400. Its totient is φ = 53813760.

The previous prime is 150288431. The next prime is 150288491. The reversal of 150288440 is 44882051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 150288397 and 150288406.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1147175 + ... + 1147305.

It is an arithmetic number, because the mean of its divisors is an integer number (2940300).

Almost surely, 2150288440 is an apocalyptic number.

150288440 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 150288440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188179200).

150288440 is an abundant number, since it is smaller than the sum of its proper divisors (226069960).

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

150288440 is a wasteful number, since it uses less digits than its factorization.

150288440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 150288440 is about 12259.2185721603. The cubic root of 150288440 is about 531.6696367903.

The spelling of 150288440 in words is "one hundred fifty million, two hundred eighty-eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 23 29 40 43 46 58 86 92 115 116 131 145 172 184 215 230 232 262 290 344 430 460 524 580 655 667 860 920 989 1048 1160 1247 1310 1334 1720 1978 2494 2620 2668 3013 3335 3799 3956 4945 4988 5240 5336 5633 6026 6235 6670 7598 7912 9890 9976 11266 12052 12470 13340 15065 15196 18995 19780 22532 24104 24940 26680 28165 28681 30130 30392 37990 39560 45064 49880 56330 57362 60260 75980 87377 112660 114724 120520 129559 143405 151960 163357 174754 225320 229448 259118 286810 326714 349508 436885 518236 573620 647795 653428 699016 816785 873770 1036472 1147240 1295590 1306856 1633570 1747540 2591180 3267140 3495080 3757211 5182360 6534280 7514422 15028844 18786055 30057688 37572110 75144220 150288440