Search a number
-
+
920101120 = 2852572797
BaseRepresentation
bin110110110101111…
…010000100000000
32101010022222110021
4312311322010000
53341021213440
6231144543224
731541505361
oct6665720400
92333288407
10920101120
11432411654
12218181b14
13118813b43
148a2adb68
1555b9c84a
hex36d7a100

920101120 has 72 divisors (see below), whose sum is σ = 2213296344. Its totient is φ = 366477312.

The previous prime is 920101073. The next prime is 920101123. The reversal of 920101120 is 21101029.

It can be written as a sum of positive squares in 4 ways, for example, as 452157696 + 467943424 = 21264^2 + 21632^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 920101094 and 920101103.

It is not an unprimeable number, because it can be changed into a prime (920101123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 327562 + ... + 330358.

It is an arithmetic number, because the mean of its divisors is an integer number (30740227).

Almost surely, 2920101120 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 920101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106648172).

920101120 is an abundant number, since it is smaller than the sum of its proper divisors (1293195224).

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

920101120 is a wasteful number, since it uses less digits than its factorization.

920101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 920101120 is about 30333.1686442416. The cubic root of 920101120 is about 972.6244583127.

Adding to 920101120 its reverse (21101029), we get a palindrome (941202149).

The spelling of 920101120 in words is "nine hundred twenty million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 257 320 514 640 1028 1280 1285 2056 2570 2797 4112 5140 5594 8224 10280 11188 13985 16448 20560 22376 27970 32896 41120 44752 55940 65792 82240 89504 111880 164480 179008 223760 328960 358016 447520 716032 718829 895040 1437658 1790080 2875316 3580160 3594145 5750632 7188290 11501264 14376580 23002528 28753160 46005056 57506320 92010112 115012640 184020224 230025280 460050560 920101120