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13042230 = 23517107239
BaseRepresentation
bin110001110000…
…001000110110
3220112121120120
4301300020312
511314322410
61143312410
7215566665
oct61601066
926477516
1013042230
1173a8903
12444b706
1329184c6
141a36ddc
151229570
hexc70236

13042230 has 64 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 3229184.

The previous prime is 13042207. The next prime is 13042259. The reversal of 13042230 is 3224031.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 54451 + ... + 54689.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 213042230 is an apocalyptic number.

13042230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13042230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796160).

13042230 is an abundant number, since it is smaller than the sum of its proper divisors (20550090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13042230 is a wasteful number, since it uses less digits than its factorization.

13042230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13042230 is about 3611.4027745462. The cubic root of 13042230 is about 235.3878009177.

Adding to 13042230 its reverse (3224031), we get a palindrome (16266261).

The spelling of 13042230 in words is "thirteen million, forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 107 170 214 239 255 321 478 510 535 642 717 1070 1195 1434 1605 1819 2390 3210 3585 3638 4063 5457 7170 8126 9095 10914 12189 18190 20315 24378 25573 27285 40630 51146 54570 60945 76719 121890 127865 153438 255730 383595 434741 767190 869482 1304223 2173705 2608446 4347410 6521115 13042230