Search a number
-
+
113025220 = 225711233191
BaseRepresentation
bin1101011110010…
…10000011000100
321212200021110021
412233022003010
5212413301340
615114304524
72541461410
oct657120304
9255607407
10113025220
1158888580
1231a28144
131a554339
1411021d40
159dc8e4a
hex6bca0c4

113025220 has 96 divisors (see below), whose sum is σ = 308883456. Its totient is φ = 33686400.

The previous prime is 113025217. The next prime is 113025229. The reversal of 113025220 is 22520311.

It is a junction number, because it is equal to n+sod(n) for n = 113025194 and 113025203.

It is not an unprimeable number, because it can be changed into a prime (113025229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33825 + ... + 37015.

It is an arithmetic number, because the mean of its divisors is an integer number (3217536).

Almost surely, 2113025220 is an apocalyptic number.

113025220 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 113025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154441728).

113025220 is an abundant number, since it is smaller than the sum of its proper divisors (195858236).

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

113025220 is a wasteful number, since it uses less digits than its factorization.

113025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 113025220 is about 10631.3319955686. The cubic root of 113025220 is about 483.4947770896.

Adding to 113025220 its reverse (22520311), we get a palindrome (135545531).

The spelling of 113025220 in words is "one hundred thirteen million, twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 23 28 35 44 46 55 70 77 92 110 115 140 154 161 220 230 253 308 322 385 460 506 644 770 805 1012 1265 1540 1610 1771 2530 3191 3220 3542 5060 6382 7084 8855 12764 15955 17710 22337 31910 35101 35420 44674 63820 70202 73393 89348 111685 140404 146786 175505 223370 245707 293572 351010 366965 446740 491414 513751 702020 733930 807323 982828 1027502 1228535 1467860 1614646 2055004 2457070 2568755 3229292 4036615 4914140 5137510 5651261 8073230 10275020 11302522 16146460 22605044 28256305 56512610 113025220