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42143012 = 2231339863
BaseRepresentation
bin1010000011000…
…0110100100100
32221022002100022
42200300310210
541242034022
64103134312
71021131632
oct240606444
987262308
1042143012
112187473a
1212144398
1389670c2
145850352
153a76c42
hex2830d24

42143012 has 12 divisors (see below), whose sum is σ = 76129536. Its totient is φ = 20391720.

The previous prime is 42142987. The next prime is 42143027. The reversal of 42143012 is 21034124.

It is a super-3 number, since 3×421430123 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169808 + ... + 170055.

It is an arithmetic number, because the mean of its divisors is an integer number (6344128).

Almost surely, 242143012 is an apocalyptic number.

It is an amenable number.

42143012 is a deficient number, since it is larger than the sum of its proper divisors (33986524).

42143012 is a wasteful number, since it uses less digits than its factorization.

42143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339898 (or 339896 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42143012 is about 6491.7649372108. The cubic root of 42143012 is about 347.9967520726.

Adding to 42143012 its reverse (21034124), we get a palindrome (63177136).

The spelling of 42143012 in words is "forty-two million, one hundred forty-three thousand, twelve".

Divisors: 1 2 4 31 62 124 339863 679726 1359452 10535753 21071506 42143012