Search a number
-
+
42424230 = 2354332887
BaseRepresentation
bin1010000111010…
…1011110100110
32221211101002210
42201311132212
541330033410
64113144250
71023412542
oct241653646
987741083
1042424230
1121a46a52
121225b086
138a350c4
1458c4a22
153ad0220
hex28757a6

42424230 has 32 divisors (see below), whose sum is σ = 104189184. Its totient is φ = 11049696.

The previous prime is 42424201. The next prime is 42424241. The reversal of 42424230 is 3242424.

It is a super-3 number, since 3×424242303 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42424197 and 42424206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15154 + ... + 17733.

It is an arithmetic number, because the mean of its divisors is an integer number (3255912).

Almost surely, 242424230 is an apocalyptic number.

42424230 is an abundant number, since it is smaller than the sum of its proper divisors (61764954).

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

42424230 is a wasteful number, since it uses less digits than its factorization.

42424230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32940.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42424230 is about 6513.3885190429. The cubic root of 42424230 is about 348.7690910786.

Adding to 42424230 its reverse (3242424), we get a palindrome (45666654).

The spelling of 42424230 in words is "forty-two million, four hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 32887 65774 98661 164435 197322 328870 493305 986610 1414141 2828282 4242423 7070705 8484846 14141410 21212115 42424230