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23142450 = 2352415371
BaseRepresentation
bin101100001001…
…0000000110010
31121112202110210
41120102000302
521411024300
62144004550
7400464462
oct130220062
947482423
1023142450
11120772a1
127900756
134a43876
143105ba2
152072050
hex1612032

23142450 has 96 divisors (see below), whose sum is σ = 60746112. Its totient is φ = 5824000.

The previous prime is 23142421. The next prime is 23142463. The reversal of 23142450 is 5424132.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325915 + ... + 325985.

It is an arithmetic number, because the mean of its divisors is an integer number (632772).

Almost surely, 223142450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23142450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30373056).

23142450 is an abundant number, since it is smaller than the sum of its proper divisors (37603662).

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

23142450 is a wasteful number, since it uses less digits than its factorization.

23142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23142450 is about 4810.6600378742. The cubic root of 23142450 is about 284.9726043227.

Adding to 23142450 its reverse (5424132), we get a palindrome (28566582).

The spelling of 23142450 in words is "twenty-three million, one hundred forty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 53 71 75 82 106 123 142 150 159 205 213 246 265 318 355 410 426 530 615 710 795 1025 1065 1230 1325 1590 1775 2050 2130 2173 2650 2911 3075 3550 3763 3975 4346 5325 5822 6150 6519 7526 7950 8733 10650 10865 11289 13038 14555 17466 18815 21730 22578 29110 32595 37630 43665 54325 56445 65190 72775 87330 94075 108650 112890 145550 154283 162975 188150 218325 282225 308566 325950 436650 462849 564450 771415 925698 1542830 2314245 3857075 4628490 7714150 11571225 23142450