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230104535 = 51923531987
BaseRepresentation
bin11011011011100…
…01110111010111
3121000222112002012
431231301313113
5432401321120
634455534435
75462566463
oct1555616727
9530875065
10230104535
11108984a41
126508a41b
1338897a3b
14227bb4a3
15153041c5
hexdb71dd7

230104535 has 32 divisors (see below), whose sum is σ = 309173760. Its totient is φ = 163582848.

The previous prime is 230104507. The next prime is 230104547. The reversal of 230104535 is 535401032.

It is a cyclic number.

It is not a de Polignac number, because 230104535 - 218 = 229842391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 230104535.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 114812 + ... + 116798.

It is an arithmetic number, because the mean of its divisors is an integer number (9661680).

Almost surely, 2230104535 is an apocalyptic number.

230104535 is a deficient number, since it is larger than the sum of its proper divisors (79069225).

230104535 is a wasteful number, since it uses less digits than its factorization.

230104535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 230104535 is about 15169.1969134823. The cubic root of 230104535 is about 612.7853763877.

Adding to 230104535 its reverse (535401032), we get a palindrome (765505567).

The spelling of 230104535 in words is "two hundred thirty million, one hundred four thousand, five hundred thirty-five".

Divisors: 1 5 19 23 53 95 115 265 437 1007 1219 1987 2185 5035 6095 9935 23161 37753 45701 105311 115805 188765 228505 526555 868319 2000909 2422153 4341595 10004545 12110765 46020907 230104535