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85150120 = 23511273241
BaseRepresentation
bin1010001001101…
…00100110101000
312221020002000011
411010310212220
5133244300440
612241021304
72052523036
oct504644650
9187202004
1085150120
1144079600
1224624834
13148445b3
14b447556
15771e9ea
hex51349a8

85150120 has 96 divisors (see below), whose sum is σ = 214358760. Its totient is φ = 30412800.

The previous prime is 85150111. The next prime is 85150123. The reversal of 85150120 is 2105158.

It can be written as a sum of positive squares in 4 ways, for example, as 77827684 + 7322436 = 8822^2 + 2706^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 85150091 and 85150100.

It is not an unprimeable number, because it can be changed into a prime (85150123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353200 + ... + 353440.

Almost surely, 285150120 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 85150120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107179380).

85150120 is an abundant number, since it is smaller than the sum of its proper divisors (129208640).

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

85150120 is a wasteful number, since it uses less digits than its factorization.

85150120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 85150120 is about 9227.6822658780. The cubic root of 85150120 is about 439.9416589314.

Adding to 85150120 its reverse (2105158), we get a palindrome (87255278).

The spelling of 85150120 in words is "eighty-five million, one hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 73 88 110 121 146 220 241 242 292 365 440 482 484 584 605 730 803 964 968 1205 1210 1460 1606 1928 2410 2420 2651 2920 3212 4015 4820 4840 5302 6424 8030 8833 9640 10604 13255 16060 17593 17666 21208 26510 29161 32120 35186 35332 44165 53020 58322 70372 70664 87965 88330 106040 116644 140744 145805 175930 176660 193523 233288 291610 351860 353320 387046 583220 703720 774092 967615 1166440 1548184 1935230 2128753 3870460 4257506 7740920 8515012 10643765 17030024 21287530 42575060 85150120