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234306457 = 7112299539
BaseRepresentation
bin11011111011100…
…11101110011001
3121022220000000221
431331303232121
5434440301312
635130000041
75543400130
oct1575635631
9538800027
10234306457
11110294a00
1266576021
1339709498
1423192917
1515884207
hexdf73b99

234306457 has 24 divisors (see below), whose sum is σ = 304516800. Its totient is φ = 176262240.

The previous prime is 234306419. The next prime is 234306547. The reversal of 234306457 is 754603432.

It is a de Polignac number, because none of the positive numbers 2k-234306457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234306407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19794 + ... + 29332.

It is an arithmetic number, because the mean of its divisors is an integer number (12688200).

Almost surely, 2234306457 is an apocalyptic number.

It is an amenable number.

234306457 is a deficient number, since it is larger than the sum of its proper divisors (70210343).

234306457 is a wasteful number, since it uses less digits than its factorization.

234306457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597 (or 9586 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 234306457 is about 15307.0721236950. The cubic root of 234306457 is about 616.4929090517.

Adding to 234306457 its reverse (754603432), we get a palindrome (988909889).

The spelling of 234306457 in words is "two hundred thirty-four million, three hundred six thousand, four hundred fifty-seven".

Divisors: 1 7 11 29 77 121 203 319 847 2233 3509 9539 24563 66773 104929 276631 734503 1154219 1936417 3042941 8079533 21300587 33472351 234306457