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234349864 = 23719321683
BaseRepresentation
bin11011111011111…
…10010100101000
3121022222012120121
431331332110220
5434443143424
635130533024
75543640520
oct1575762450
9538865517
10234349864
11110314581
1266597174
1339723178
14231a4680
1515891ee4
hexdf7e528

234349864 has 32 divisors (see below), whose sum is σ = 504803520. Its totient is φ = 99910656.

The previous prime is 234349859. The next prime is 234349867. The reversal of 234349864 is 468943432.

It is a self number, because there is not a number n which added to its sum of digits gives 234349864.

It is not an unprimeable number, because it can be changed into a prime (234349867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 21649.

It is an arithmetic number, because the mean of its divisors is an integer number (15775110).

Almost surely, 2234349864 is an apocalyptic number.

It is an amenable number.

234349864 is an abundant number, since it is smaller than the sum of its proper divisors (270453656).

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

234349864 is a wasteful number, since it uses less digits than its factorization.

234349864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21889 (or 21885 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

The square root of 234349864 is about 15308.4899320606. The cubic root of 234349864 is about 616.5309766545.

The spelling of 234349864 in words is "two hundred thirty-four million, three hundred forty-nine thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 193 386 772 1351 1544 2702 5404 10808 21683 43366 86732 151781 173464 303562 607124 1214248 4184819 8369638 16739276 29293733 33478552 58587466 117174932 234349864