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23330424 = 23313374347
BaseRepresentation
bin101100011111…
…1111001111000
31121220022022210
41120333321320
521433033144
62152015120
7402206505
oct130777170
947808283
1023330424
1112195547
1279914a0
134aab2b0
1431544ac
1520acab9
hex163fe78

23330424 has 128 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 6676992.

The previous prime is 23330407. The next prime is 23330449. The reversal of 23330424 is 42403332.

It is a self number, because there is not a number n which added to its sum of digits gives 23330424.

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, 496369 + ... + 496415.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 223330424 is an apocalyptic number.

23330424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23330424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33707520).

23330424 is an abundant number, since it is smaller than the sum of its proper divisors (44084616).

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

23330424 is a wasteful number, since it uses less digits than its factorization.

23330424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23330424 is about 4830.1577613987. The cubic root of 23330424 is about 285.7420857712.

Adding to 23330424 its reverse (42403332), we get a palindrome (65733756).

The spelling of 23330424 in words is "twenty-three million, three hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 37 39 43 47 52 74 78 86 94 104 111 129 141 148 156 172 188 222 258 282 296 312 344 376 444 481 516 559 564 611 888 962 1032 1118 1128 1222 1443 1591 1677 1739 1833 1924 2021 2236 2444 2886 3182 3354 3478 3666 3848 4042 4472 4773 4888 5217 5772 6063 6364 6708 6956 7332 8084 9546 10434 11544 12126 12728 13416 13912 14664 16168 19092 20683 20868 22607 24252 26273 38184 41366 41736 45214 48504 52546 62049 67821 74777 78819 82732 90428 105092 124098 135642 149554 157638 165464 180856 210184 224331 248196 271284 299108 315276 448662 496392 542568 598216 630552 897324 972101 1794648 1944202 2916303 3888404 5832606 7776808 11665212 23330424