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253088842 = 2593213397
BaseRepresentation
bin11110001010111…
…01010001001010
3122122020020121211
433011131101022
51004242320332
641040323334
76162135226
oct1705352112
9578206554
10253088842
1111a953436
127091354a
1340584616
1425881786
1517344447
hexf15d44a

253088842 has 8 divisors (see below), whose sum is σ = 380275236. Its totient is φ = 126330432.

The previous prime is 253088831. The next prime is 253088851. The reversal of 253088842 is 248880352.

253088842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 249987721 + 3101121 = 15811^2 + 1761^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 253088795 and 253088804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105513 + ... + 107884.

Almost surely, 2253088842 is an apocalyptic number.

253088842 is a deficient number, since it is larger than the sum of its proper divisors (127186394).

253088842 is a wasteful number, since it uses less digits than its factorization.

253088842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213992.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 253088842 is about 15908.7661998032. The cubic root of 253088842 is about 632.5443772079.

The spelling of 253088842 in words is "two hundred fifty-three million, eighty-eight thousand, eight hundred forty-two".

Divisors: 1 2 593 1186 213397 426794 126544421 253088842