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230400541 = 7172398101
BaseRepresentation
bin11011011101110…
…10001000011101
3121001112120010101
431232322020131
5432440304131
634510141101
75465241460
oct1556721035
9531476111
10230400541
11109067378
12651b1791
133896c6a7
14228572d7
1515361c61
hexdbba21d

230400541 has 16 divisors (see below), whose sum is σ = 280005120. Its totient is φ = 185068800.

The previous prime is 230400523. The next prime is 230400551. The reversal of 230400541 is 145004032.

It is not a de Polignac number, because 230400541 - 25 = 230400509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230400551) 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, 24391 + ... + 32491.

It is an arithmetic number, because the mean of its divisors is an integer number (17500320).

Almost surely, 2230400541 is an apocalyptic number.

It is an amenable number.

230400541 is a deficient number, since it is larger than the sum of its proper divisors (49604579).

230400541 is a wasteful number, since it uses less digits than its factorization.

230400541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230400541 is about 15178.9505895500. The cubic root of 230400541 is about 613.0480257448.

Adding to 230400541 its reverse (145004032), we get a palindrome (375404573).

The spelling of 230400541 in words is "two hundred thirty million, four hundred thousand, five hundred forty-one".

Divisors: 1 7 17 119 239 1673 4063 8101 28441 56707 137717 964019 1936139 13552973 32914363 230400541