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233113313 = 1931207841
BaseRepresentation
bin11011110010100…
…00011011100001
3121020122101100102
431321100123201
5434134111223
635044232145
75530300436
oct1571203341
9536571312
10233113313
1110a64a534
126609b655
13393ac394
1422d61b8d
15156ea928
hexde506e1

233113313 has 4 divisors (see below), whose sum is σ = 234321348. Its totient is φ = 231905280.

The previous prime is 233113297. The next prime is 233113351. The reversal of 233113313 is 313311332.

233113313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41899729 + 191213584 = 6473^2 + 13828^2 .

It is a cyclic number.

It is not a de Polignac number, because 233113313 - 24 = 233113297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (233113813) 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, 603728 + ... + 604113.

It is an arithmetic number, because the mean of its divisors is an integer number (58580337).

Almost surely, 2233113313 is an apocalyptic number.

It is an amenable number.

233113313 is a deficient number, since it is larger than the sum of its proper divisors (1208035).

233113313 is a wasteful number, since it uses less digits than its factorization.

233113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208034.

The product of its digits is 486, while the sum is 20.

The square root of 233113313 is about 15268.0487620390. The cubic root of 233113313 is about 615.4446851062. Note that the first 3 decimals are identical.

Adding to 233113313 its reverse (313311332), we get a palindrome (546424645).

The spelling of 233113313 in words is "two hundred thirty-three million, one hundred thirteen thousand, three hundred thirteen".

Divisors: 1 193 1207841 233113313