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2270172 = 223375113
BaseRepresentation
bin1000101010001111011100
311021100002110
420222033130
51040121142
6120354020
725203402
oct10521734
94240073
102270172
111310683
12915910
136163c8
14431472
152ec99c
hex22a3dc

2270172 has 24 divisors (see below), whose sum is σ = 5441296. Its totient is φ = 736128.

The previous prime is 2270171. The next prime is 2270173. The reversal of 2270172 is 2710722.

2270172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2270171) and next prime (2270173).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270171) 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 7 ways as a sum of consecutive naturals, for example, 2113 + ... + 3000.

22270172 is an apocalyptic number.

It is an amenable number.

2270172 is an abundant number, since it is smaller than the sum of its proper divisors (3171124).

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

2270172 is a wasteful number, since it uses less digits than its factorization.

2270172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2270172 is about 1506.7089964555. The cubic root of 2270172 is about 131.4275022417.

Adding to 2270172 its reverse (2710722), we get a palindrome (4980894).

It can be divided in two parts, 2270 and 172, that added together give a palindrome (2442).

The spelling of 2270172 in words is "two million, two hundred seventy thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 5113 10226 15339 20452 30678 61356 189181 378362 567543 756724 1135086 2270172