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230343015 = 3576135963
BaseRepresentation
bin11011011101011…
…00000101100111
3121001102122012210
431232230011213
5432431434030
634505014503
75464611660
oct1556540547
9531378183
10230343015
11109028131
1265184433
133894c456
1422840367
151534ebb0
hexdbac167

230343015 has 32 divisors (see below), whose sum is σ = 428115456. Its totient is φ = 103570560.

The previous prime is 230342977. The next prime is 230343041. The reversal of 230343015 is 510343032.

It is not a de Polignac number, because 230343015 - 27 = 230342887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 230342982 and 230343000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11577 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (13378608).

Almost surely, 2230343015 is an apocalyptic number.

230343015 is a deficient number, since it is larger than the sum of its proper divisors (197772441).

230343015 is a wasteful number, since it uses less digits than its factorization.

230343015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 230343015 is about 15177.0555444724. The cubic root of 230343015 is about 612.9969999152.

Adding to 230343015 its reverse (510343032), we get a palindrome (740686047).

The spelling of 230343015 in words is "two hundred thirty million, three hundred forty-three thousand, fifteen".

Divisors: 1 3 5 7 15 21 35 61 105 183 305 427 915 1281 2135 6405 35963 107889 179815 251741 539445 755223 1258705 2193743 3776115 6581229 10968715 15356201 32906145 46068603 76781005 230343015