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253342243 = 7113290159
BaseRepresentation
bin11110001100110…
…11001000100011
3122122201010020001
433012123020203
51004323422433
641050000431
76164242060
oct1706331043
9578633201
10253342243
11120006860
1270a16117
1340642a6b
1425909c67
151739457d
hexf19b223

253342243 has 8 divisors (see below), whose sum is σ = 315855360. Its totient is φ = 197409480.

The previous prime is 253342237. The next prime is 253342249. The reversal of 253342243 is 342243352.

253342243 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 (253342237) and next prime (253342249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253342243 - 29 = 253341731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253342249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645003 + ... + 1645156.

It is an arithmetic number, because the mean of its divisors is an integer number (39481920).

Almost surely, 2253342243 is an apocalyptic number.

253342243 is a deficient number, since it is larger than the sum of its proper divisors (62513117).

253342243 is a wasteful number, since it uses less digits than its factorization.

253342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290177.

The product of its digits is 17280, while the sum is 28.

The square root of 253342243 is about 15916.7284012764. The cubic root of 253342243 is about 632.7554149752.

Adding to 253342243 its reverse (342243352), we get a palindrome (595585595).

The spelling of 253342243 in words is "two hundred fifty-three million, three hundred forty-two thousand, two hundred forty-three".

Divisors: 1 7 11 77 3290159 23031113 36191749 253342243