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231228462 = 2338538077
BaseRepresentation
bin11011100100001…
…00010000101110
3121010002121211010
431302010100232
5433143302322
634540010050
75505260313
oct1562042056
9533077733
10231228462
11109582403
1265530926
1338b9c49a
14229d0d0a
151547720c
hexdc8442e

231228462 has 8 divisors (see below), whose sum is σ = 462456936. Its totient is φ = 77076152.

The previous prime is 231228443. The next prime is 231228467. The reversal of 231228462 is 264822132.

It is a sphenic number, since it is the product of 3 distinct primes.

231228462 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231228467) 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, 19269033 + ... + 19269044.

It is an arithmetic number, because the mean of its divisors is an integer number (57807117).

Almost surely, 2231228462 is an apocalyptic number.

231228462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231228462 is a wasteful number, since it uses less digits than its factorization.

231228462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38538082.

The product of its digits is 9216, while the sum is 30.

The square root of 231228462 is about 15206.1981441779. The cubic root of 231228462 is about 613.7814565975.

The spelling of 231228462 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, four hundred sixty-two".

Divisors: 1 2 3 6 38538077 77076154 115614231 231228462