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234232047 = 3371239323
BaseRepresentation
bin11011111011000…
…01100011101111
3121022202012222000
431331201203233
5434430411142
635124223343
75542640160
oct1575414357
9538665860
10234232047
11110244005
126653ab53
13396b165a
1423173767
151586c14c
hexdf618ef

234232047 has 16 divisors (see below), whose sum is σ = 396583680. Its totient is φ = 133846776.

The previous prime is 234232039. The next prime is 234232049. The reversal of 234232047 is 740232432.

It is not a de Polignac number, because 234232047 - 23 = 234232039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 234232047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234232049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619473 + ... + 619850.

It is an arithmetic number, because the mean of its divisors is an integer number (24786480).

Almost surely, 2234232047 is an apocalyptic number.

234232047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

234232047 is a deficient number, since it is larger than the sum of its proper divisors (162351633).

234232047 is a wasteful number, since it uses less digits than its factorization.

234232047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239339 (or 1239333 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 234232047 is about 15304.6413548309. The cubic root of 234232047 is about 616.4276411189.

Adding to 234232047 its reverse (740232432), we get a palindrome (974464479).

The spelling of 234232047 in words is "two hundred thirty-four million, two hundred thirty-two thousand, forty-seven".

Divisors: 1 3 7 9 21 27 63 189 1239323 3717969 8675261 11153907 26025783 33461721 78077349 234232047