Search a number
-
+
56101120 = 285411069
BaseRepresentation
bin1101011000000…
…0100100000000
310220120020021021
43112000210000
5103330213440
65322235224
71250565055
oct326004400
9126506237
1056101120
1129738669
1216955b14
13b81343a
14764502c
154dd284a
hex3580900

56101120 has 72 divisors (see below), whose sum is σ = 137786040. Its totient is φ = 21872640.

The previous prime is 56101081. The next prime is 56101121. The reversal of 56101120 is 2110165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 56070144 = 176^2 + 7488^2 .

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 = 56101094 and 56101103.

It is not an unprimeable number, because it can be changed into a prime (56101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51946 + ... + 53014.

It is an arithmetic number, because the mean of its divisors is an integer number (1913695).

Almost surely, 256101120 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 56101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68893020).

56101120 is an abundant number, since it is smaller than the sum of its proper divisors (81684920).

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

56101120 is a wasteful number, since it uses less digits than its factorization.

56101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 56101120 is about 7490.0680904782. The cubic root of 56101120 is about 382.8163785641.

Adding to 56101120 its reverse (2110165), we get a palindrome (58211285).

The spelling of 56101120 in words is "fifty-six million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 64 80 82 128 160 164 205 256 320 328 410 640 656 820 1069 1280 1312 1640 2138 2624 3280 4276 5248 5345 6560 8552 10496 10690 13120 17104 21380 26240 34208 42760 43829 52480 68416 85520 87658 136832 171040 175316 219145 273664 342080 350632 438290 684160 701264 876580 1368320 1402528 1753160 2805056 3506320 5610112 7012640 11220224 14025280 28050560 56101120