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230534415 = 3255122987
BaseRepresentation
bin11011011110110…
…10110100001111
3121001210100202200
431233122310033
5433004100130
634513052543
75466336666
oct1557326417
9531710680
10230534415
11109148a11
1265257153
13389b85c7
142288dddd
151538b760
hexdbdad0f

230534415 has 12 divisors (see below), whose sum is σ = 399593064. Its totient is φ = 122951664.

The previous prime is 230534413. The next prime is 230534443. The reversal of 230534415 is 514435032.

230534415 is a `hidden beast` number, since 2 + 305 + 344 + 15 = 666.

It is not a de Polignac number, because 230534415 - 21 = 230534413 is a prime.

It is a super-3 number, since 3×2305344153 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230534411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561449 + ... + 2561538.

It is an arithmetic number, because the mean of its divisors is an integer number (33299422).

Almost surely, 2230534415 is an apocalyptic number.

230534415 is a deficient number, since it is larger than the sum of its proper divisors (169058649).

230534415 is a wasteful number, since it uses less digits than its factorization.

230534415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122998 (or 5122995 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 230534415 is about 15183.3598060508. The cubic root of 230534415 is about 613.1667397322.

Adding to 230534415 its reverse (514435032), we get a palindrome (744969447).

The spelling of 230534415 in words is "two hundred thirty million, five hundred thirty-four thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 45 5122987 15368961 25614935 46106883 76844805 230534415