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235019089 = 439535351
BaseRepresentation
bin11100000001000…
…01101101010001
3121101020012120201
432000201231101
5440131102324
635153135201
75552425564
oct1600415521
9541205521
10235019089
11110731358
126685a501
13398c8966
14232da4db
1515975444
hexe021b51

235019089 has 4 divisors (see below), whose sum is σ = 235554880. Its totient is φ = 234483300.

The previous prime is 235019087. The next prime is 235019107. The reversal of 235019089 is 980910532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235019089 - 21 = 235019087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235019087) 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, 267237 + ... + 268114.

It is an arithmetic number, because the mean of its divisors is an integer number (58888720).

Almost surely, 2235019089 is an apocalyptic number.

It is an amenable number.

235019089 is a deficient number, since it is larger than the sum of its proper divisors (535791).

235019089 is an equidigital number, since it uses as much as digits as its factorization.

235019089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535790.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 235019089 is about 15330.3323186420. The cubic root of 235019089 is about 617.1172878082.

The spelling of 235019089 in words is "two hundred thirty-five million, nineteen thousand, eighty-nine".

Divisors: 1 439 535351 235019089