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235021219 = 982923911
BaseRepresentation
bin11100000001000…
…10001110100011
3121101020022111121
432000202032203
5440131134334
635153153111
75552435026
oct1600421643
9541208447
10235021219
11110732a14
126685b797
13398c9914
14232db1bd
1515975db4
hexe0223a3

235021219 has 4 divisors (see below), whose sum is σ = 235054960. Its totient is φ = 234987480.

The previous prime is 235021201. The next prime is 235021231. The reversal of 235021219 is 912120532.

It is a happy number.

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 235021219 - 221 = 232924067 is a prime.

It is a super-2 number, since 2×2350212192 = 110469946760491922, 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 = 235021193 and 235021202.

It is not an unprimeable number, because it can be changed into a prime (235024219) 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, 2127 + ... + 21784.

It is an arithmetic number, because the mean of its divisors is an integer number (58763740).

Almost surely, 2235021219 is an apocalyptic number.

235021219 is a deficient number, since it is larger than the sum of its proper divisors (33741).

235021219 is an equidigital number, since it uses as much as digits as its factorization.

235021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33740.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 235021219 is about 15330.4017886029. The cubic root of 235021219 is about 617.1191521331.

The spelling of 235021219 in words is "two hundred thirty-five million, twenty-one thousand, two hundred nineteen".

Divisors: 1 9829 23911 235021219