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150728040 = 233751723
BaseRepresentation
bin10001111101111…
…10110101101000
3101111121210000000
420332332311220
5302041244130
622542343000
73510111231
oct1076766550
9344553000
10150728040
117809a231
124258aa60
13252c53b8
1416038088
15d375260
hex8fbed68

150728040 has 128 divisors (see below), whose sum is σ = 508924800. Its totient is φ = 40170816.

The previous prime is 150728033. The next prime is 150728041. The reversal of 150728040 is 40827051.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 150727995 and 150728013.

It is not an unprimeable number, because it can be changed into a prime (150728041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86619 + ... + 88341.

It is an arithmetic number, because the mean of its divisors is an integer number (3975975).

Almost surely, 2150728040 is an apocalyptic number.

150728040 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 150728040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254462400).

150728040 is an abundant number, since it is smaller than the sum of its proper divisors (358196760).

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

150728040 is an equidigital number, since it uses as much as digits as its factorization.

150728040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 150728040 is about 12277.1348449058. The cubic root of 150728040 is about 532.1875175174.

The spelling of 150728040 in words is "one hundred fifty million, seven hundred twenty-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 648 729 810 972 1080 1215 1458 1620 1723 1944 2187 2430 2916 3240 3446 3645 4374 4860 5169 5832 6892 7290 8615 8748 9720 10338 10935 13784 14580 15507 17230 17496 20676 21870 25845 29160 31014 34460 41352 43740 46521 51690 62028 68920 77535 87480 93042 103380 124056 139563 155070 186084 206760 232605 279126 310140 372168 418689 465210 558252 620280 697815 837378 930420 1116504 1256067 1395630 1674756 1860840 2093445 2512134 2791260 3349512 3768201 4186890 5024268 5582520 6280335 7536402 8373780 10048536 12560670 15072804 16747560 18841005 25121340 30145608 37682010 50242680 75364020 150728040