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42643062 = 23271122797
BaseRepresentation
bin1010001010101…
…0111001110110
32222020111021200
42202222321312
541404034222
64121553330
71025313540
oct242527166
988214250
1042643062
1122086400
1212345846
138ab08a7
145940690
153b24eac
hex28aae76

42643062 has 72 divisors (see below), whose sum is σ = 116105808. Its totient is φ = 11072160.

The previous prime is 42643037. The next prime is 42643067. The reversal of 42643062 is 26034624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42643067) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13848 + ... + 16644.

Almost surely, 242643062 is an apocalyptic number.

42643062 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42643062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58052904).

42643062 is an abundant number, since it is smaller than the sum of its proper divisors (73462746).

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

42643062 is a wasteful number, since it uses less digits than its factorization.

42643062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42643062 is about 6530.1655415464. The cubic root of 42643062 is about 349.3677347085.

Adding to 42643062 its reverse (26034624), we get a palindrome (68677686).

The spelling of 42643062 in words is "forty-two million, six hundred forty-three thousand, sixty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 121 126 154 198 231 242 363 462 693 726 847 1089 1386 1694 2178 2541 2797 5082 5594 7623 8391 15246 16782 19579 25173 30767 39158 50346 58737 61534 92301 117474 176211 184602 215369 276903 338437 352422 430738 553806 646107 676874 1015311 1292214 1938321 2030622 2369059 3045933 3876642 4738118 6091866 7107177 14214354 21321531 42643062