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235413031 = 733630433
BaseRepresentation
bin11100000100000…
…01111000100111
3121101222012222011
432002001320213
5440231204111
635205415051
75555656240
oct1602017047
9541865864
10235413031
11110980327
1266a0a487
1339a06069
142339dcc7
1515a02021
hexe081e27

235413031 has 4 divisors (see below), whose sum is σ = 269043472. Its totient is φ = 201782592.

The previous prime is 235413029. The next prime is 235413047. The reversal of 235413031 is 130314532.

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 235413031 - 21 = 235413029 is a prime.

It is a super-2 number, since 2×2354130312 = 110838590329213922, 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 = 235412993 and 235413011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235413001) 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, 16815210 + ... + 16815223.

It is an arithmetic number, because the mean of its divisors is an integer number (67260868).

Almost surely, 2235413031 is an apocalyptic number.

235413031 is a deficient number, since it is larger than the sum of its proper divisors (33630441).

235413031 is an equidigital number, since it uses as much as digits as its factorization.

235413031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630440.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 235413031 is about 15343.1753884260. The cubic root of 235413031 is about 617.4619019587.

Adding to 235413031 its reverse (130314532), we get a palindrome (365727563).

The spelling of 235413031 in words is "two hundred thirty-five million, four hundred thirteen thousand, thirty-one".

Divisors: 1 7 33630433 235413031