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312234233 = 1051297083
BaseRepresentation
bin10010100111000…
…101000011111001
3210202112010211212
4102213011003321
51114412443413
650552132505
710510642613
oct2247050371
9722463755
10312234233
11150280223
1288697135
134c8c25ac
142d679db3
151c628ca8
hex129c50f9

312234233 has 4 divisors (see below), whose sum is σ = 312532368. Its totient is φ = 311936100.

The previous prime is 312234217. The next prime is 312234259. The reversal of 312234233 is 332432213.

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 312234233 - 24 = 312234217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312234199 and 312234208.

It is not an unprimeable number, because it can be changed into a prime (312234833) 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, 147491 + ... + 149592.

It is an arithmetic number, because the mean of its divisors is an integer number (78133092).

Almost surely, 2312234233 is an apocalyptic number.

It is an amenable number.

312234233 is a deficient number, since it is larger than the sum of its proper divisors (298135).

312234233 is a wasteful number, since it uses less digits than its factorization.

312234233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298134.

The product of its digits is 2592, while the sum is 23.

The square root of 312234233 is about 17670.1509048452. The cubic root of 312234233 is about 678.4119755540.

Adding to 312234233 its reverse (332432213), we get a palindrome (644666446).

The spelling of 312234233 in words is "three hundred twelve million, two hundred thirty-four thousand, two hundred thirty-three".

Divisors: 1 1051 297083 312234233