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150728640 = 2635197797
BaseRepresentation
bin10001111101111…
…10111111000000
3101111121210211020
420332332333000
5302041304030
622542345440
73510113046
oct1076767700
9344553736
10150728640
117809a727
124258b280
13252c575a
1416038396
15d375510
hex8fbefc0

150728640 has 112 divisors (see below), whose sum is σ = 481596192. Its totient is φ = 39940096.

The previous prime is 150728623. The next prime is 150728651. The reversal of 150728640 is 46827051.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 188722 + ... + 189518.

It is an arithmetic number, because the mean of its divisors is an integer number (4299966).

Almost surely, 2150728640 is an apocalyptic number.

150728640 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 150728640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240798096).

150728640 is an abundant number, since it is smaller than the sum of its proper divisors (330867552).

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

150728640 is a wasteful number, since it uses less digits than its factorization.

150728640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 150728640 is about 12277.1592805502. The cubic root of 150728640 is about 532.1882236724.

The spelling of 150728640 in words is "one hundred fifty million, seven hundred twenty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 197 240 320 394 480 591 788 797 960 985 1182 1576 1594 1970 2364 2391 2955 3152 3188 3940 3985 4728 4782 5910 6304 6376 7880 7970 9456 9564 11820 11955 12608 12752 15760 15940 18912 19128 23640 23910 25504 31520 31880 37824 38256 47280 47820 51008 63040 63760 76512 94560 95640 127520 153024 157009 189120 191280 255040 314018 382560 471027 628036 765120 785045 942054 1256072 1570090 1884108 2355135 2512144 3140180 3768216 4710270 5024288 6280360 7536432 9420540 10048576 12560720 15072864 18841080 25121440 30145728 37682160 50242880 75364320 150728640