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230104142 = 21071796007
BaseRepresentation
bin11011011011100…
…01110001001110
3121000222111112122
431231301301032
5432401313032
634455532542
75462565362
oct1555616116
9530874478
10230104142
11108984714
126508a152
13388977c8
14227bb2a2
1515304012
hexdb71c4e

230104142 has 16 divisors (see below), whose sum is σ = 350386560. Its totient is φ = 113321208.

The previous prime is 230104099. The next prime is 230104153. The reversal of 230104142 is 241401032.

It is a self number, because there is not a number n which added to its sum of digits gives 230104142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35303 + ... + 41309.

It is an arithmetic number, because the mean of its divisors is an integer number (21899160).

Almost surely, 2230104142 is an apocalyptic number.

230104142 is a deficient number, since it is larger than the sum of its proper divisors (120282418).

230104142 is a wasteful number, since it uses less digits than its factorization.

230104142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 230104142 is about 15169.1839595939. The cubic root of 230104142 is about 612.7850275248.

Adding to 230104142 its reverse (241401032), we get a palindrome (471505174).

The spelling of 230104142 in words is "two hundred thirty million, one hundred four thousand, one hundred forty-two".

Divisors: 1 2 107 179 214 358 6007 12014 19153 38306 642749 1075253 1285498 2150506 115052071 230104142