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235404313 = 947248579
BaseRepresentation
bin11100000011111…
…11110000011001
3121101221210000021
432001333300121
5440230414223
635205310441
75555621644
oct1601776031
9541853007
10235404313
11110974821
1266a05421
1339a020c1
142339aa5b
15159ee65d
hexe07fc19

235404313 has 4 divisors (see below), whose sum is σ = 235653840. Its totient is φ = 235154788.

The previous prime is 235404289. The next prime is 235404343. The reversal of 235404313 is 313404532.

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 a de Polignac number, because none of the positive numbers 2k-235404313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235404343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123343 + ... + 125236.

It is an arithmetic number, because the mean of its divisors is an integer number (58913460).

Almost surely, 2235404313 is an apocalyptic number.

It is an amenable number.

235404313 is a deficient number, since it is larger than the sum of its proper divisors (249527).

235404313 is an equidigital number, since it uses as much as digits as its factorization.

235404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249526.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 235404313 is about 15342.8912855433. The cubic root of 235404313 is about 617.4542797535.

Adding to 235404313 its reverse (313404532), we get a palindrome (548808845).

The spelling of 235404313 in words is "two hundred thirty-five million, four hundred four thousand, three hundred thirteen".

Divisors: 1 947 248579 235404313