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150557568 = 273779709
BaseRepresentation
bin10001111100101…
…01001110000000
3101111022010011020
420332111032000
5302020320233
622534545440
73505501230
oct1076251600
9344263136
10150557568
1177a93147
1242508280
1325265925
1415dd1cc0
15d33e9b3
hex8f95380

150557568 has 128 divisors (see below), whose sum is σ = 463488000. Its totient is φ = 42412032.

The previous prime is 150557567. The next prime is 150557597. The reversal of 150557568 is 865755051.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150557567) 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, 211998 + ... + 212706.

It is an arithmetic number, because the mean of its divisors is an integer number (3621000).

Almost surely, 2150557568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150557568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231744000).

150557568 is an abundant number, since it is smaller than the sum of its proper divisors (312930432).

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

150557568 is an equidigital number, since it uses as much as digits as its factorization.

150557568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 42.

The square root of 150557568 is about 12270.1902185744. The cubic root of 150557568 is about 531.9868088010.

The spelling of 150557568 in words is "one hundred fifty million, five hundred fifty-seven thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 79 84 96 112 128 158 168 192 224 237 316 336 384 448 474 553 632 672 709 896 948 1106 1264 1344 1418 1659 1896 2127 2212 2528 2688 2836 3318 3792 4254 4424 4963 5056 5672 6636 7584 8508 8848 9926 10112 11344 13272 14889 15168 17016 17696 19852 22688 26544 29778 30336 34032 35392 39704 45376 53088 56011 59556 68064 70784 79408 90752 106176 112022 119112 136128 158816 168033 212352 224044 238224 272256 317632 336066 392077 448088 476448 635264 672132 784154 896176 952896 1176231 1344264 1568308 1792352 1905792 2352462 2688528 3136616 3584704 4704924 5377056 6273232 7169408 9409848 10754112 12546464 18819696 21508224 25092928 37639392 50185856 75278784 150557568