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30160243 = 43701401
BaseRepresentation
bin111001100001…
…1010101110011
32002202022002001
41303003111303
530210111433
62554234431
7514233511
oct163032563
962668061
1030160243
111602a923
12a125a17
13632cbc9
1440114b1
1529ab57d
hex1cc3573

30160243 has 4 divisors (see below), whose sum is σ = 30861688. Its totient is φ = 29458800.

The previous prime is 30160223. The next prime is 30160253. The reversal of 30160243 is 34206103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30160243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30160243.

It is not an unprimeable number, because it can be changed into a prime (30160223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350658 + ... + 350743.

It is an arithmetic number, because the mean of its divisors is an integer number (7715422).

Almost surely, 230160243 is an apocalyptic number.

30160243 is a deficient number, since it is larger than the sum of its proper divisors (701445).

30160243 is an equidigital number, since it uses as much as digits as its factorization.

30160243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701444.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30160243 is about 5491.8342108989. The cubic root of 30160243 is about 311.2755043266.

Adding to 30160243 its reverse (34206103), we get a palindrome (64366346).

It can be divided in two parts, 30160 and 243, that added together give a palindrome (30403).

The spelling of 30160243 in words is "thirty million, one hundred sixty thousand, two hundred forty-three".

Divisors: 1 43 701401 30160243