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235021427 = 479948973
BaseRepresentation
bin11100000001000…
…10010001110011
3121101020022210022
432000202101303
5440131141202
635153154055
75552435444
oct1600422163
9541208708
10235021427
11110733093
126685b92b
13398c9a44
14232db2cb
1515975ea2
hexe022473

235021427 has 4 divisors (see below), whose sum is σ = 235075200. Its totient is φ = 234967656.

The previous prime is 235021421. The next prime is 235021459. The reversal of 235021427 is 724120532.

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

It is a cyclic number.

It is not a de Polignac number, because 235021427 - 24 = 235021411 is a prime.

It is a super-2 number, since 2×2350214272 = 110470142298232658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235021396 and 235021405.

It is not an unprimeable number, because it can be changed into a prime (235021421) 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 3 ways as a sum of consecutive naturals, for example, 19688 + ... + 29285.

It is an arithmetic number, because the mean of its divisors is an integer number (58768800).

Almost surely, 2235021427 is an apocalyptic number.

235021427 is a deficient number, since it is larger than the sum of its proper divisors (53773).

235021427 is an equidigital number, since it uses as much as digits as its factorization.

235021427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53772.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 235021427 is about 15330.4085725071. The cubic root of 235021427 is about 617.1193341887.

Adding to 235021427 its reverse (724120532), we get a palindrome (959141959).

The spelling of 235021427 in words is "two hundred thirty-five million, twenty-one thousand, four hundred twenty-seven".

Divisors: 1 4799 48973 235021427